Home / 84,226.43-116,279.75-58,422.57

Finding the Fourth Proportional to 84,226.43, 116,279.75 and 58,422.57

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Solution

The fourth proportional to 84,226.43, 116,279.75 and 58,422.57 is: 80,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,226.43 : 116,279.75 = 58,422.57 : x
  2. Step 2: Convert to fraction form
    84,226.43/116,279.75 = 58,422.57/x
  3. Step 3: Cross multiply
    84,226.43x = 116,279.75 × 58,422.57
  4. Step 4: Simplify right side
    84,226.43x = 6,793,361,543.96
  5. Step 5: Solve for x
    x = 6,793,361,543.96/84,226.43
  6. Step 6: Final answer
    x = 80,655.93

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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.