Home / 87,853.95-121,236.98-47,567.39

Finding the Fourth Proportional to 87,853.95, 121,236.98 and 47,567.39

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Solution

The fourth proportional to 87,853.95, 121,236.98 and 47,567.39 is: 65,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,853.95 : 121,236.98 = 47,567.39 : x
  2. Step 2: Convert to fraction form
    87,853.95/121,236.98 = 47,567.39/x
  3. Step 3: Cross multiply
    87,853.95x = 121,236.98 × 47,567.39
  4. Step 4: Simplify right side
    87,853.95x = 5,766,925,866.06
  5. Step 5: Solve for x
    x = 5,766,925,866.06/87,853.95
  6. Step 6: Final answer
    x = 65,642.19

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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.