Home / 83,151.14-124,726.71-30,537.86

Finding the Fourth Proportional to 83,151.14, 124,726.71 and 30,537.86

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Solution

The fourth proportional to 83,151.14, 124,726.71 and 30,537.86 is: 45,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,151.14 : 124,726.71 = 30,537.86 : x
  2. Step 2: Convert to fraction form
    83,151.14/124,726.71 = 30,537.86/x
  3. Step 3: Cross multiply
    83,151.14x = 124,726.71 × 30,537.86
  4. Step 4: Simplify right side
    83,151.14x = 3,808,886,808.24
  5. Step 5: Solve for x
    x = 3,808,886,808.24/83,151.14
  6. Step 6: Final answer
    x = 45,806.79

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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.