Home / 67,731.27-93,484.17-39,453.36

Finding the Fourth Proportional to 67,731.27, 93,484.17 and 39,453.36

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Solution

The fourth proportional to 67,731.27, 93,484.17 and 39,453.36 is: 54,454.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,731.27 : 93,484.17 = 39,453.36 : x
  2. Step 2: Convert to fraction form
    67,731.27/93,484.17 = 39,453.36/x
  3. Step 3: Cross multiply
    67,731.27x = 93,484.17 × 39,453.36
  4. Step 4: Simplify right side
    67,731.27x = 3,688,264,613.31
  5. Step 5: Solve for x
    x = 3,688,264,613.31/67,731.27
  6. Step 6: Final answer
    x = 54,454.38

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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.