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Finding the Fourth Proportional to 63,697.10, 95,545.65 and 45,982.40

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Solution

The fourth proportional to 63,697.10, 95,545.65 and 45,982.40 is: 68,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,697.10 : 95,545.65 = 45,982.40 : x
  2. Step 2: Convert to fraction form
    63,697.10/95,545.65 = 45,982.40/x
  3. Step 3: Cross multiply
    63,697.10x = 95,545.65 × 45,982.40
  4. Step 4: Simplify right side
    63,697.10x = 4,393,418,296.56
  5. Step 5: Solve for x
    x = 4,393,418,296.56/63,697.10
  6. Step 6: Final answer
    x = 68,973.60

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1.5x scale

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.