Home / 99,935.60-149,884.20-29,817.20

Finding the Fourth Proportional to 99,935.60, 149,884.20 and 29,817.20

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Solution

The fourth proportional to 99,935.60, 149,884.20 and 29,817.20 is: 44,720.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,935.60 : 149,884.20 = 29,817.20 : x
  2. Step 2: Convert to fraction form
    99,935.60/149,884.20 = 29,817.20/x
  3. Step 3: Cross multiply
    99,935.60x = 149,884.20 × 29,817.20
  4. Step 4: Simplify right side
    99,935.60x = 4,469,127,168.24
  5. Step 5: Solve for x
    x = 4,469,127,168.24/99,935.60
  6. Step 6: Final answer
    x = 44,720.07

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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.