Home / 99,572.36-149,311.50-36,348.60

Finding the Fourth Proportional to 99,572.36, 149,311.50 and 36,348.60

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Solution

The fourth proportional to 99,572.36, 149,311.50 and 36,348.60 is: 54,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,572.36 : 149,311.50 = 36,348.60 : x
  2. Step 2: Convert to fraction form
    99,572.36/149,311.50 = 36,348.60/x
  3. Step 3: Cross multiply
    99,572.36x = 149,311.50 × 36,348.60
  4. Step 4: Simplify right side
    99,572.36x = 5,427,263,988.90
  5. Step 5: Solve for x
    x = 5,427,263,988.90/99,572.36
  6. Step 6: Final answer
    x = 54,505.73

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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.