Home / 86,173.25-129,380.98-44,083.53

Finding the Fourth Proportional to 86,173.25, 129,380.98 and 44,083.53

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Solution

The fourth proportional to 86,173.25, 129,380.98 and 44,083.53 is: 66,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,173.25 : 129,380.98 = 44,083.53 : x
  2. Step 2: Convert to fraction form
    86,173.25/129,380.98 = 44,083.53/x
  3. Step 3: Cross multiply
    86,173.25x = 129,380.98 × 44,083.53
  4. Step 4: Simplify right side
    86,173.25x = 5,703,569,666.35
  5. Step 5: Solve for x
    x = 5,703,569,666.35/86,173.25
  6. Step 6: Final answer
    x = 66,187.24

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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.