Home / 60,773.19-91,123.79-20,778.02

Finding the Fourth Proportional to 60,773.19, 91,123.79 and 20,778.02

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Solution

The fourth proportional to 60,773.19, 91,123.79 and 20,778.02 is: 31,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,773.19 : 91,123.79 = 20,778.02 : x
  2. Step 2: Convert to fraction form
    60,773.19/91,123.79 = 20,778.02/x
  3. Step 3: Cross multiply
    60,773.19x = 91,123.79 × 20,778.02
  4. Step 4: Simplify right side
    60,773.19x = 1,893,371,713.30
  5. Step 5: Solve for x
    x = 1,893,371,713.30/60,773.19
  6. Step 6: Final answer
    x = 31,154.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.