Home / 75,261.89-112,726.28-30,753.61

Finding the Fourth Proportional to 75,261.89, 112,726.28 and 30,753.61

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Solution

The fourth proportional to 75,261.89, 112,726.28 and 30,753.61 is: 46,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,261.89 : 112,726.28 = 30,753.61 : x
  2. Step 2: Convert to fraction form
    75,261.89/112,726.28 = 30,753.61/x
  3. Step 3: Cross multiply
    75,261.89x = 112,726.28 × 30,753.61
  4. Step 4: Simplify right side
    75,261.89x = 3,466,739,846.94
  5. Step 5: Solve for x
    x = 3,466,739,846.94/75,261.89
  6. Step 6: Final answer
    x = 46,062.35

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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.