Home / 71,764.33-99,032.33-39,932.55

Finding the Fourth Proportional to 71,764.33, 99,032.33 and 39,932.55

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Solution

The fourth proportional to 71,764.33, 99,032.33 and 39,932.55 is: 55,105.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,764.33 : 99,032.33 = 39,932.55 : x
  2. Step 2: Convert to fraction form
    71,764.33/99,032.33 = 39,932.55/x
  3. Step 3: Cross multiply
    71,764.33x = 99,032.33 × 39,932.55
  4. Step 4: Simplify right side
    71,764.33x = 3,954,612,974.18
  5. Step 5: Solve for x
    x = 3,954,612,974.18/71,764.33
  6. Step 6: Final answer
    x = 55,105.55

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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.