Home / 89,966.43-134,859.33-30,761.61

Finding the Fourth Proportional to 89,966.43, 134,859.33 and 30,761.61

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Solution

The fourth proportional to 89,966.43, 134,859.33 and 30,761.61 is: 46,111.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,966.43 : 134,859.33 = 30,761.61 : x
  2. Step 2: Convert to fraction form
    89,966.43/134,859.33 = 30,761.61/x
  3. Step 3: Cross multiply
    89,966.43x = 134,859.33 × 30,761.61
  4. Step 4: Simplify right side
    89,966.43x = 4,148,489,608.60
  5. Step 5: Solve for x
    x = 4,148,489,608.60/89,966.43
  6. Step 6: Final answer
    x = 46,111.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.