Home / 86,139.33-129,235.20-44,048.97

Finding the Fourth Proportional to 86,139.33, 129,235.20 and 44,048.97

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Solution

The fourth proportional to 86,139.33, 129,235.20 and 44,048.97 is: 66,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,139.33 : 129,235.20 = 44,048.97 : x
  2. Step 2: Convert to fraction form
    86,139.33/129,235.20 = 44,048.97/x
  3. Step 3: Cross multiply
    86,139.33x = 129,235.20 × 44,048.97
  4. Step 4: Simplify right side
    86,139.33x = 5,692,677,447.74
  5. Step 5: Solve for x
    x = 5,692,677,447.74/86,139.33
  6. Step 6: Final answer
    x = 66,086.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.