Home / 88,335.11-121,891.37-59,717.04

Finding the Fourth Proportional to 88,335.11, 121,891.37 and 59,717.04

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Solution

The fourth proportional to 88,335.11, 121,891.37 and 59,717.04 is: 82,402.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,335.11 : 121,891.37 = 59,717.04 : x
  2. Step 2: Convert to fraction form
    88,335.11/121,891.37 = 59,717.04/x
  3. Step 3: Cross multiply
    88,335.11x = 121,891.37 × 59,717.04
  4. Step 4: Simplify right side
    88,335.11x = 7,278,991,817.94
  5. Step 5: Solve for x
    x = 7,278,991,817.94/88,335.11
  6. Step 6: Final answer
    x = 82,402.02

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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.