Home / 87,545.61-131,321.07-34,235.46

Finding the Fourth Proportional to 87,545.61, 131,321.07 and 34,235.46

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Solution

The fourth proportional to 87,545.61, 131,321.07 and 34,235.46 is: 51,354.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,545.61 : 131,321.07 = 34,235.46 : x
  2. Step 2: Convert to fraction form
    87,545.61/131,321.07 = 34,235.46/x
  3. Step 3: Cross multiply
    87,545.61x = 131,321.07 × 34,235.46
  4. Step 4: Simplify right side
    87,545.61x = 4,495,837,239.14
  5. Step 5: Solve for x
    x = 4,495,837,239.14/87,545.61
  6. Step 6: Final answer
    x = 51,354.23

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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.