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Finding the Fourth Proportional to 64,333.80, 96,522.60 and 40,613.76

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Solution

The fourth proportional to 64,333.80, 96,522.60 and 40,613.76 is: 60,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,333.80 : 96,522.60 = 40,613.76 : x
  2. Step 2: Convert to fraction form
    64,333.80/96,522.60 = 40,613.76/x
  3. Step 3: Cross multiply
    64,333.80x = 96,522.60 × 40,613.76
  4. Step 4: Simplify right side
    64,333.80x = 3,920,145,710.98
  5. Step 5: Solve for x
    x = 3,920,145,710.98/64,333.80
  6. Step 6: Final answer
    x = 60,934.47

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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.