Home / 97,731.12-146,627.82-43,687.47

Finding the Fourth Proportional to 97,731.12, 146,627.82 and 43,687.47

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Solution

The fourth proportional to 97,731.12, 146,627.82 and 43,687.47 is: 65,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,731.12 : 146,627.82 = 43,687.47 : x
  2. Step 2: Convert to fraction form
    97,731.12/146,627.82 = 43,687.47/x
  3. Step 3: Cross multiply
    97,731.12x = 146,627.82 × 43,687.47
  4. Step 4: Simplify right side
    97,731.12x = 6,405,798,487.42
  5. Step 5: Solve for x
    x = 6,405,798,487.42/97,731.12
  6. Step 6: Final answer
    x = 65,545.13

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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.