Home / 99,447.59-149,171.20-29,376.11

Finding the Fourth Proportional to 99,447.59, 149,171.20 and 29,376.11

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Solution

The fourth proportional to 99,447.59, 149,171.20 and 29,376.11 is: 44,064.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,447.59 : 149,171.20 = 29,376.11 : x
  2. Step 2: Convert to fraction form
    99,447.59/149,171.20 = 29,376.11/x
  3. Step 3: Cross multiply
    99,447.59x = 149,171.20 × 29,376.11
  4. Step 4: Simplify right side
    99,447.59x = 4,382,069,580.03
  5. Step 5: Solve for x
    x = 4,382,069,580.03/99,447.59
  6. Step 6: Final answer
    x = 44,064.11

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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.