Home / 68,928.52-95,123.02-38,713.90

Finding the Fourth Proportional to 68,928.52, 95,123.02 and 38,713.90

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Solution

The fourth proportional to 68,928.52, 95,123.02 and 38,713.90 is: 53,426.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,928.52 : 95,123.02 = 38,713.90 : x
  2. Step 2: Convert to fraction form
    68,928.52/95,123.02 = 38,713.90/x
  3. Step 3: Cross multiply
    68,928.52x = 95,123.02 × 38,713.90
  4. Step 4: Simplify right side
    68,928.52x = 3,682,583,083.98
  5. Step 5: Solve for x
    x = 3,682,583,083.98/68,928.52
  6. Step 6: Final answer
    x = 53,426.12

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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.