Home / 91,717.62-137,576.43-60,545.58

Finding the Fourth Proportional to 91,717.62, 137,576.43 and 60,545.58

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Solution

The fourth proportional to 91,717.62, 137,576.43 and 60,545.58 is: 90,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,717.62 : 137,576.43 = 60,545.58 : x
  2. Step 2: Convert to fraction form
    91,717.62/137,576.43 = 60,545.58/x
  3. Step 3: Cross multiply
    91,717.62x = 137,576.43 × 60,545.58
  4. Step 4: Simplify right side
    91,717.62x = 8,329,644,748.68
  5. Step 5: Solve for x
    x = 8,329,644,748.68/91,717.62
  6. Step 6: Final answer
    x = 90,818.37

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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.