Home / 68,060.52-93,923.82-39,760.20

Finding the Fourth Proportional to 68,060.52, 93,923.82 and 39,760.20

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Solution

The fourth proportional to 68,060.52, 93,923.82 and 39,760.20 is: 54,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,060.52 : 93,923.82 = 39,760.20 : x
  2. Step 2: Convert to fraction form
    68,060.52/93,923.82 = 39,760.20/x
  3. Step 3: Cross multiply
    68,060.52x = 93,923.82 × 39,760.20
  4. Step 4: Simplify right side
    68,060.52x = 3,734,429,867.96
  5. Step 5: Solve for x
    x = 3,734,429,867.96/68,060.52
  6. Step 6: Final answer
    x = 54,869.25

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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.