Home / 87,726.19-121,062.03-47,439.85

Finding the Fourth Proportional to 87,726.19, 121,062.03 and 47,439.85

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Solution

The fourth proportional to 87,726.19, 121,062.03 and 47,439.85 is: 65,466.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,726.19 : 121,062.03 = 47,439.85 : x
  2. Step 2: Convert to fraction form
    87,726.19/121,062.03 = 47,439.85/x
  3. Step 3: Cross multiply
    87,726.19x = 121,062.03 × 47,439.85
  4. Step 4: Simplify right side
    87,726.19x = 5,743,164,543.90
  5. Step 5: Solve for x
    x = 5,743,164,543.90/87,726.19
  6. Step 6: Final answer
    x = 65,466.93

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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.