Home / 67,487.14-93,143.66-39,209.24

Finding the Fourth Proportional to 67,487.14, 93,143.66 and 39,209.24

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Solution

The fourth proportional to 67,487.14, 93,143.66 and 39,209.24 is: 54,115.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,487.14 : 93,143.66 = 39,209.24 : x
  2. Step 2: Convert to fraction form
    67,487.14/93,143.66 = 39,209.24/x
  3. Step 3: Cross multiply
    67,487.14x = 93,143.66 × 39,209.24
  4. Step 4: Simplify right side
    67,487.14x = 3,652,092,119.42
  5. Step 5: Solve for x
    x = 3,652,092,119.42/67,487.14
  6. Step 6: Final answer
    x = 54,115.38

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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.