Home / 99,909.75-149,861.17-25,030.55

Finding the Fourth Proportional to 99,909.75, 149,861.17 and 25,030.55

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Solution

The fourth proportional to 99,909.75, 149,861.17 and 25,030.55 is: 37,544.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,909.75 : 149,861.17 = 25,030.55 : x
  2. Step 2: Convert to fraction form
    99,909.75/149,861.17 = 25,030.55/x
  3. Step 3: Cross multiply
    99,909.75x = 149,861.17 × 25,030.55
  4. Step 4: Simplify right side
    99,909.75x = 3,751,107,508.74
  5. Step 5: Solve for x
    x = 3,751,107,508.74/99,909.75
  6. Step 6: Final answer
    x = 37,544.96

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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.