Home / 89,929.31-124,104.43-49,642.97

Finding the Fourth Proportional to 89,929.31, 124,104.43 and 49,642.97

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Solution

The fourth proportional to 89,929.31, 124,104.43 and 49,642.97 is: 68,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,929.31 : 124,104.43 = 49,642.97 : x
  2. Step 2: Convert to fraction form
    89,929.31/124,104.43 = 49,642.97/x
  3. Step 3: Cross multiply
    89,929.31x = 124,104.43 × 49,642.97
  4. Step 4: Simplify right side
    89,929.31x = 6,160,912,867.67
  5. Step 5: Solve for x
    x = 6,160,912,867.67/89,929.31
  6. Step 6: Final answer
    x = 68,508.40

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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.