Home / 85,890.56-118,502.12-49,587.24

Finding the Fourth Proportional to 85,890.56, 118,502.12 and 49,587.24

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Solution

The fourth proportional to 85,890.56, 118,502.12 and 49,587.24 is: 68,414.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,890.56 : 118,502.12 = 49,587.24 : x
  2. Step 2: Convert to fraction form
    85,890.56/118,502.12 = 49,587.24/x
  3. Step 3: Cross multiply
    85,890.56x = 118,502.12 × 49,587.24
  4. Step 4: Simplify right side
    85,890.56x = 5,876,193,064.95
  5. Step 5: Solve for x
    x = 5,876,193,064.95/85,890.56
  6. Step 6: Final answer
    x = 68,414.89

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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.