Home / 67,513.92-93,146.40-39,209.28

Finding the Fourth Proportional to 67,513.92, 93,146.40 and 39,209.28

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Solution

The fourth proportional to 67,513.92, 93,146.40 and 39,209.28 is: 54,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,513.92 : 93,146.40 = 39,209.28 : x
  2. Step 2: Convert to fraction form
    67,513.92/93,146.40 = 39,209.28/x
  3. Step 3: Cross multiply
    67,513.92x = 93,146.40 × 39,209.28
  4. Step 4: Simplify right side
    67,513.92x = 3,652,203,278.59
  5. Step 5: Solve for x
    x = 3,652,203,278.59/67,513.92
  6. Step 6: Final answer
    x = 54,095.56

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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.