Home / 99,385.90-149,027.55-29,256.10

Finding the Fourth Proportional to 99,385.90, 149,027.55 and 29,256.10

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Solution

The fourth proportional to 99,385.90, 149,027.55 and 29,256.10 is: 43,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,385.90 : 149,027.55 = 29,256.10 : x
  2. Step 2: Convert to fraction form
    99,385.90/149,027.55 = 29,256.10/x
  3. Step 3: Cross multiply
    99,385.90x = 149,027.55 × 29,256.10
  4. Step 4: Simplify right side
    99,385.90x = 4,359,964,905.56
  5. Step 5: Solve for x
    x = 4,359,964,905.56/99,385.90
  6. Step 6: Final answer
    x = 43,869.05

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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.