Home / 83,395.85-115,084.62-47,580.08

Finding the Fourth Proportional to 83,395.85, 115,084.62 and 47,580.08

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Solution

The fourth proportional to 83,395.85, 115,084.62 and 47,580.08 is: 65,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,395.85 : 115,084.62 = 47,580.08 : x
  2. Step 2: Convert to fraction form
    83,395.85/115,084.62 = 47,580.08/x
  3. Step 3: Cross multiply
    83,395.85x = 115,084.62 × 47,580.08
  4. Step 4: Simplify right side
    83,395.85x = 5,475,734,850.95
  5. Step 5: Solve for x
    x = 5,475,734,850.95/83,395.85
  6. Step 6: Final answer
    x = 65,659.56

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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.