Home / 85,556.12-118,082.01-49,766.88

Finding the Fourth Proportional to 85,556.12, 118,082.01 and 49,766.88

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Solution

The fourth proportional to 85,556.12, 118,082.01 and 49,766.88 is: 68,686.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,556.12 : 118,082.01 = 49,766.88 : x
  2. Step 2: Convert to fraction form
    85,556.12/118,082.01 = 49,766.88/x
  3. Step 3: Cross multiply
    85,556.12x = 118,082.01 × 49,766.88
  4. Step 4: Simplify right side
    85,556.12x = 5,876,573,221.83
  5. Step 5: Solve for x
    x = 5,876,573,221.83/85,556.12
  6. Step 6: Final answer
    x = 68,686.77

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1.5x scale

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.