Home / 64,545.47-89,081.10-36,251.16

Finding the Fourth Proportional to 64,545.47, 89,081.10 and 36,251.16

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Solution

The fourth proportional to 64,545.47, 89,081.10 and 36,251.16 is: 50,031.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,545.47 : 89,081.10 = 36,251.16 : x
  2. Step 2: Convert to fraction form
    64,545.47/89,081.10 = 36,251.16/x
  3. Step 3: Cross multiply
    64,545.47x = 89,081.10 × 36,251.16
  4. Step 4: Simplify right side
    64,545.47x = 3,229,293,209.08
  5. Step 5: Solve for x
    x = 3,229,293,209.08/64,545.47
  6. Step 6: Final answer
    x = 50,031.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.