Home / 99,631.24-149,446.38-29,505.16

Finding the Fourth Proportional to 99,631.24, 149,446.38 and 29,505.16

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Solution

The fourth proportional to 99,631.24, 149,446.38 and 29,505.16 is: 44,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,631.24 : 149,446.38 = 29,505.16 : x
  2. Step 2: Convert to fraction form
    99,631.24/149,446.38 = 29,505.16/x
  3. Step 3: Cross multiply
    99,631.24x = 149,446.38 × 29,505.16
  4. Step 4: Simplify right side
    99,631.24x = 4,409,439,353.32
  5. Step 5: Solve for x
    x = 4,409,439,353.32/99,631.24
  6. Step 6: Final answer
    x = 44,257.60

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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.