Home / 87,545.34-131,284.98-28,365.12

Finding the Fourth Proportional to 87,545.34, 131,284.98 and 28,365.12

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Solution

The fourth proportional to 87,545.34, 131,284.98 and 28,365.12 is: 42,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,545.34 : 131,284.98 = 28,365.12 : x
  2. Step 2: Convert to fraction form
    87,545.34/131,284.98 = 28,365.12/x
  3. Step 3: Cross multiply
    87,545.34x = 131,284.98 × 28,365.12
  4. Step 4: Simplify right side
    87,545.34x = 3,723,914,211.90
  5. Step 5: Solve for x
    x = 3,723,914,211.90/87,545.34
  6. Step 6: Final answer
    x = 42,536.98

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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.