Home / 99,910.26-137,877.12-54,586.98

Finding the Fourth Proportional to 99,910.26, 137,877.12 and 54,586.98

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Solution

The fourth proportional to 99,910.26, 137,877.12 and 54,586.98 is: 75,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,910.26 : 137,877.12 = 54,586.98 : x
  2. Step 2: Convert to fraction form
    99,910.26/137,877.12 = 54,586.98/x
  3. Step 3: Cross multiply
    99,910.26x = 137,877.12 × 54,586.98
  4. Step 4: Simplify right side
    99,910.26x = 7,526,295,591.90
  5. Step 5: Solve for x
    x = 7,526,295,591.90/99,910.26
  6. Step 6: Final answer
    x = 75,330.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.