Home / 67,439.05-93,058.68-38,752.90

Finding the Fourth Proportional to 67,439.05, 93,058.68 and 38,752.90

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Solution

The fourth proportional to 67,439.05, 93,058.68 and 38,752.90 is: 53,474.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,439.05 : 93,058.68 = 38,752.90 : x
  2. Step 2: Convert to fraction form
    67,439.05/93,058.68 = 38,752.90/x
  3. Step 3: Cross multiply
    67,439.05x = 93,058.68 × 38,752.90
  4. Step 4: Simplify right side
    67,439.05x = 3,606,293,720.17
  5. Step 5: Solve for x
    x = 3,606,293,720.17/67,439.05
  6. Step 6: Final answer
    x = 53,474.86

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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.