Home / 99,545.22-149,228.19-36,321.21

Finding the Fourth Proportional to 99,545.22, 149,228.19 and 36,321.21

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Solution

The fourth proportional to 99,545.22, 149,228.19 and 36,321.21 is: 54,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,545.22 : 149,228.19 = 36,321.21 : x
  2. Step 2: Convert to fraction form
    99,545.22/149,228.19 = 36,321.21/x
  3. Step 3: Cross multiply
    99,545.22x = 149,228.19 × 36,321.21
  4. Step 4: Simplify right side
    99,545.22x = 5,420,148,426.91
  5. Step 5: Solve for x
    x = 5,420,148,426.91/99,545.22
  6. Step 6: Final answer
    x = 54,449.11

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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.