Home / 70,541.24-97,346.63-38,710.67

Finding the Fourth Proportional to 70,541.24, 97,346.63 and 38,710.67

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Solution

The fourth proportional to 70,541.24, 97,346.63 and 38,710.67 is: 53,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,541.24 : 97,346.63 = 38,710.67 : x
  2. Step 2: Convert to fraction form
    70,541.24/97,346.63 = 38,710.67/x
  3. Step 3: Cross multiply
    70,541.24x = 97,346.63 × 38,710.67
  4. Step 4: Simplify right side
    70,541.24x = 3,768,353,075.99
  5. Step 5: Solve for x
    x = 3,768,353,075.99/70,541.24
  6. Step 6: Final answer
    x = 53,420.57

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.