Home / 90,207.40-124,483.14-49,922.86

Finding the Fourth Proportional to 90,207.40, 124,483.14 and 49,922.86

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Solution

The fourth proportional to 90,207.40, 124,483.14 and 49,922.86 is: 68,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,207.40 : 124,483.14 = 49,922.86 : x
  2. Step 2: Convert to fraction form
    90,207.40/124,483.14 = 49,922.86/x
  3. Step 3: Cross multiply
    90,207.40x = 124,483.14 × 49,922.86
  4. Step 4: Simplify right side
    90,207.40x = 6,214,554,370.58
  5. Step 5: Solve for x
    x = 6,214,554,370.58/90,207.40
  6. Step 6: Final answer
    x = 68,891.85

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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.