Home / 99,261.20-148,877.40-29,133.20

Finding the Fourth Proportional to 99,261.20, 148,877.40 and 29,133.20

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Solution

The fourth proportional to 99,261.20, 148,877.40 and 29,133.20 is: 43,695.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,261.20 : 148,877.40 = 29,133.20 : x
  2. Step 2: Convert to fraction form
    99,261.20/148,877.40 = 29,133.20/x
  3. Step 3: Cross multiply
    99,261.20x = 148,877.40 × 29,133.20
  4. Step 4: Simplify right side
    99,261.20x = 4,337,275,069.68
  5. Step 5: Solve for x
    x = 4,337,275,069.68/99,261.20
  6. Step 6: Final answer
    x = 43,695.57

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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.