Home / 40,734.59-61,102.08-12,654.05

Finding the Fourth Proportional to 40,734.59, 61,102.08 and 12,654.05

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Solution

The fourth proportional to 40,734.59, 61,102.08 and 12,654.05 is: 18,981.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,734.59 : 61,102.08 = 12,654.05 : x
  2. Step 2: Convert to fraction form
    40,734.59/61,102.08 = 12,654.05/x
  3. Step 3: Cross multiply
    40,734.59x = 61,102.08 × 12,654.05
  4. Step 4: Simplify right side
    40,734.59x = 773,188,469.91
  5. Step 5: Solve for x
    x = 773,188,469.91/40,734.59
  6. Step 6: Final answer
    x = 18,981.13

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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.