Home / 66,007.28-91,060.52-39,150.92

Finding the Fourth Proportional to 66,007.28, 91,060.52 and 39,150.92

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Solution

The fourth proportional to 66,007.28, 91,060.52 and 39,150.92 is: 54,010.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,007.28 : 91,060.52 = 39,150.92 : x
  2. Step 2: Convert to fraction form
    66,007.28/91,060.52 = 39,150.92/x
  3. Step 3: Cross multiply
    66,007.28x = 91,060.52 × 39,150.92
  4. Step 4: Simplify right side
    66,007.28x = 3,565,103,133.68
  5. Step 5: Solve for x
    x = 3,565,103,133.68/66,007.28
  6. Step 6: Final answer
    x = 54,010.76

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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.