Home / 99,624.73-149,439.15-40,419.91

Finding the Fourth Proportional to 99,624.73, 149,439.15 and 40,419.91

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Solution

The fourth proportional to 99,624.73, 149,439.15 and 40,419.91 is: 60,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,624.73 : 149,439.15 = 40,419.91 : x
  2. Step 2: Convert to fraction form
    99,624.73/149,439.15 = 40,419.91/x
  3. Step 3: Cross multiply
    99,624.73x = 149,439.15 × 40,419.91
  4. Step 4: Simplify right side
    99,624.73x = 6,040,316,993.48
  5. Step 5: Solve for x
    x = 6,040,316,993.48/99,624.73
  6. Step 6: Final answer
    x = 60,630.70

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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.