Home / 66,727.43-92,074.78-39,864.25

Finding the Fourth Proportional to 66,727.43, 92,074.78 and 39,864.25

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Solution

The fourth proportional to 66,727.43, 92,074.78 and 39,864.25 is: 55,007.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,727.43 : 92,074.78 = 39,864.25 : x
  2. Step 2: Convert to fraction form
    66,727.43/92,074.78 = 39,864.25/x
  3. Step 3: Cross multiply
    66,727.43x = 92,074.78 × 39,864.25
  4. Step 4: Simplify right side
    66,727.43x = 3,670,491,849.29
  5. Step 5: Solve for x
    x = 3,670,491,849.29/66,727.43
  6. Step 6: Final answer
    x = 55,007.24

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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.