Home / 87,818.52-121,188.51-47,531.33

Finding the Fourth Proportional to 87,818.52, 121,188.51 and 47,531.33

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Solution

The fourth proportional to 87,818.52, 121,188.51 and 47,531.33 is: 65,592.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,818.52 : 121,188.51 = 47,531.33 : x
  2. Step 2: Convert to fraction form
    87,818.52/121,188.51 = 47,531.33/x
  3. Step 3: Cross multiply
    87,818.52x = 121,188.51 × 47,531.33
  4. Step 4: Simplify right side
    87,818.52x = 5,760,250,455.08
  5. Step 5: Solve for x
    x = 5,760,250,455.08/87,818.52
  6. Step 6: Final answer
    x = 65,592.66

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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.