Home / 75,589.15-104,306.25-43,760.20

Finding the Fourth Proportional to 75,589.15, 104,306.25 and 43,760.20

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Solution

The fourth proportional to 75,589.15, 104,306.25 and 43,760.20 is: 60,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,589.15 : 104,306.25 = 43,760.20 : x
  2. Step 2: Convert to fraction form
    75,589.15/104,306.25 = 43,760.20/x
  3. Step 3: Cross multiply
    75,589.15x = 104,306.25 × 43,760.20
  4. Step 4: Simplify right side
    75,589.15x = 4,564,462,361.25
  5. Step 5: Solve for x
    x = 4,564,462,361.25/75,589.15
  6. Step 6: Final answer
    x = 60,385.15

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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.