Home / 70,142.24-96,794.73-38,311.25

Finding the Fourth Proportional to 70,142.24, 96,794.73 and 38,311.25

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Solution

The fourth proportional to 70,142.24, 96,794.73 and 38,311.25 is: 52,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,142.24 : 96,794.73 = 38,311.25 : x
  2. Step 2: Convert to fraction form
    70,142.24/96,794.73 = 38,311.25/x
  3. Step 3: Cross multiply
    70,142.24x = 96,794.73 × 38,311.25
  4. Step 4: Simplify right side
    70,142.24x = 3,708,327,099.71
  5. Step 5: Solve for x
    x = 3,708,327,099.71/70,142.24
  6. Step 6: Final answer
    x = 52,868.67

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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.