Home / 99,517.04-137,327.29-54,805.04

Finding the Fourth Proportional to 99,517.04, 137,327.29 and 54,805.04

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Solution

The fourth proportional to 99,517.04, 137,327.29 and 54,805.04 is: 75,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,517.04 : 137,327.29 = 54,805.04 : x
  2. Step 2: Convert to fraction form
    99,517.04/137,327.29 = 54,805.04/x
  3. Step 3: Cross multiply
    99,517.04x = 137,327.29 × 54,805.04
  4. Step 4: Simplify right side
    99,517.04x = 7,526,226,797.89
  5. Step 5: Solve for x
    x = 7,526,226,797.89/99,517.04
  6. Step 6: Final answer
    x = 75,627.52

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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.