Home / 71,544.28-98,735.58-39,713.71

Finding the Fourth Proportional to 71,544.28, 98,735.58 and 39,713.71

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Solution

The fourth proportional to 71,544.28, 98,735.58 and 39,713.71 is: 54,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,544.28 : 98,735.58 = 39,713.71 : x
  2. Step 2: Convert to fraction form
    71,544.28/98,735.58 = 39,713.71/x
  3. Step 3: Cross multiply
    71,544.28x = 98,735.58 × 39,713.71
  4. Step 4: Simplify right side
    71,544.28x = 3,921,156,190.80
  5. Step 5: Solve for x
    x = 3,921,156,190.80/71,544.28
  6. Step 6: Final answer
    x = 54,807.40

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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.