Home / 99,389.70-149,084.55-32,840.10

Finding the Fourth Proportional to 99,389.70, 149,084.55 and 32,840.10

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Solution

The fourth proportional to 99,389.70, 149,084.55 and 32,840.10 is: 49,260.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,389.70 : 149,084.55 = 32,840.10 : x
  2. Step 2: Convert to fraction form
    99,389.70/149,084.55 = 32,840.10/x
  3. Step 3: Cross multiply
    99,389.70x = 149,084.55 × 32,840.10
  4. Step 4: Simplify right side
    99,389.70x = 4,895,951,530.46
  5. Step 5: Solve for x
    x = 4,895,951,530.46/99,389.70
  6. Step 6: Final answer
    x = 49,260.15

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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.