Home / 65,229.28-89,996.01-36,545.10

Finding the Fourth Proportional to 65,229.28, 89,996.01 and 36,545.10

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Solution

The fourth proportional to 65,229.28, 89,996.01 and 36,545.10 is: 50,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,229.28 : 89,996.01 = 36,545.10 : x
  2. Step 2: Convert to fraction form
    65,229.28/89,996.01 = 36,545.10/x
  3. Step 3: Cross multiply
    65,229.28x = 89,996.01 × 36,545.10
  4. Step 4: Simplify right side
    65,229.28x = 3,288,913,185.05
  5. Step 5: Solve for x
    x = 3,288,913,185.05/65,229.28
  6. Step 6: Final answer
    x = 50,420.81

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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.