Home / 75,014.24-112,422.92-55,200.02

Finding the Fourth Proportional to 75,014.24, 112,422.92 and 55,200.02

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Solution

The fourth proportional to 75,014.24, 112,422.92 and 55,200.02 is: 82,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,014.24 : 112,422.92 = 55,200.02 : x
  2. Step 2: Convert to fraction form
    75,014.24/112,422.92 = 55,200.02/x
  3. Step 3: Cross multiply
    75,014.24x = 112,422.92 × 55,200.02
  4. Step 4: Simplify right side
    75,014.24x = 6,205,747,432.46
  5. Step 5: Solve for x
    x = 6,205,747,432.46/75,014.24
  6. Step 6: Final answer
    x = 82,727.59

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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.