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Finding the Fourth Proportional to 67,793.70, 101,719.35 and 32,715.30

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Solution

The fourth proportional to 67,793.70, 101,719.35 and 32,715.30 is: 49,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,793.70 : 101,719.35 = 32,715.30 : x
  2. Step 2: Convert to fraction form
    67,793.70/101,719.35 = 32,715.30/x
  3. Step 3: Cross multiply
    67,793.70x = 101,719.35 × 32,715.30
  4. Step 4: Simplify right side
    67,793.70x = 3,327,779,051.06
  5. Step 5: Solve for x
    x = 3,327,779,051.06/67,793.70
  6. Step 6: Final answer
    x = 49,086.85

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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.