Home / 70,425.21-97,186.41-38,159.67

Finding the Fourth Proportional to 70,425.21, 97,186.41 and 38,159.67

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Solution

The fourth proportional to 70,425.21, 97,186.41 and 38,159.67 is: 52,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,425.21 : 97,186.41 = 38,159.67 : x
  2. Step 2: Convert to fraction form
    70,425.21/97,186.41 = 38,159.67/x
  3. Step 3: Cross multiply
    70,425.21x = 97,186.41 × 38,159.67
  4. Step 4: Simplify right side
    70,425.21x = 3,708,601,334.08
  5. Step 5: Solve for x
    x = 3,708,601,334.08/70,425.21
  6. Step 6: Final answer
    x = 52,660.14

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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.