Home / 99,724.80-149,587.20-62,327.10

Finding the Fourth Proportional to 99,724.80, 149,587.20 and 62,327.10

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Solution

The fourth proportional to 99,724.80, 149,587.20 and 62,327.10 is: 93,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,724.80 : 149,587.20 = 62,327.10 : x
  2. Step 2: Convert to fraction form
    99,724.80/149,587.20 = 62,327.10/x
  3. Step 3: Cross multiply
    99,724.80x = 149,587.20 × 62,327.10
  4. Step 4: Simplify right side
    99,724.80x = 9,323,336,373.12
  5. Step 5: Solve for x
    x = 9,323,336,373.12/99,724.80
  6. Step 6: Final answer
    x = 93,490.65

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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.