Home / 123,726.40-185,638.20-48,833.80

Finding the Fourth Proportional to 123,726.40, 185,638.20 and 48,833.80

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Solution

The fourth proportional to 123,726.40, 185,638.20 and 48,833.80 is: 73,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,726.40 : 185,638.20 = 48,833.80 : x
  2. Step 2: Convert to fraction form
    123,726.40/185,638.20 = 48,833.80/x
  3. Step 3: Cross multiply
    123,726.40x = 185,638.20 × 48,833.80
  4. Step 4: Simplify right side
    123,726.40x = 9,065,418,731.16
  5. Step 5: Solve for x
    x = 9,065,418,731.16/123,726.40
  6. Step 6: Final answer
    x = 73,269.88

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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.