Home / 86,104.13-129,033.52-63,436.53

Finding the Fourth Proportional to 86,104.13, 129,033.52 and 63,436.53

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Solution

The fourth proportional to 86,104.13, 129,033.52 and 63,436.53 is: 95,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,104.13 : 129,033.52 = 63,436.53 : x
  2. Step 2: Convert to fraction form
    86,104.13/129,033.52 = 63,436.53/x
  3. Step 3: Cross multiply
    86,104.13x = 129,033.52 × 63,436.53
  4. Step 4: Simplify right side
    86,104.13x = 8,185,438,445.30
  5. Step 5: Solve for x
    x = 8,185,438,445.30/86,104.13
  6. Step 6: Final answer
    x = 95,064.42

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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.