Home / 99,525.60-149,288.40-29,403.90

Finding the Fourth Proportional to 99,525.60, 149,288.40 and 29,403.90

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Solution

The fourth proportional to 99,525.60, 149,288.40 and 29,403.90 is: 44,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,525.60 : 149,288.40 = 29,403.90 : x
  2. Step 2: Convert to fraction form
    99,525.60/149,288.40 = 29,403.90/x
  3. Step 3: Cross multiply
    99,525.60x = 149,288.40 × 29,403.90
  4. Step 4: Simplify right side
    99,525.60x = 4,389,661,184.76
  5. Step 5: Solve for x
    x = 4,389,661,184.76/99,525.60
  6. Step 6: Final answer
    x = 44,105.85

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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.