Home / 89,988.29-124,180.47-49,701.18

Finding the Fourth Proportional to 89,988.29, 124,180.47 and 49,701.18

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Solution

The fourth proportional to 89,988.29, 124,180.47 and 49,701.18 is: 68,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,988.29 : 124,180.47 = 49,701.18 : x
  2. Step 2: Convert to fraction form
    89,988.29/124,180.47 = 49,701.18/x
  3. Step 3: Cross multiply
    89,988.29x = 124,180.47 × 49,701.18
  4. Step 4: Simplify right side
    89,988.29x = 6,171,915,891.95
  5. Step 5: Solve for x
    x = 6,171,915,891.95/89,988.29
  6. Step 6: Final answer
    x = 68,585.77

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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.