Home / 86,588.90-129,768.53-44,467.28

Finding the Fourth Proportional to 86,588.90, 129,768.53 and 44,467.28

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Solution

The fourth proportional to 86,588.90, 129,768.53 and 44,467.28 is: 66,641.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,588.90 : 129,768.53 = 44,467.28 : x
  2. Step 2: Convert to fraction form
    86,588.90/129,768.53 = 44,467.28/x
  3. Step 3: Cross multiply
    86,588.90x = 129,768.53 × 44,467.28
  4. Step 4: Simplify right side
    86,588.90x = 5,770,452,687.52
  5. Step 5: Solve for x
    x = 5,770,452,687.52/86,588.90
  6. Step 6: Final answer
    x = 66,641.95

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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.