Home / 83,620.30-115,377.06-47,804.53

Finding the Fourth Proportional to 83,620.30, 115,377.06 and 47,804.53

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Solution

The fourth proportional to 83,620.30, 115,377.06 and 47,804.53 is: 65,959.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,620.30 : 115,377.06 = 47,804.53 : x
  2. Step 2: Convert to fraction form
    83,620.30/115,377.06 = 47,804.53/x
  3. Step 3: Cross multiply
    83,620.30x = 115,377.06 × 47,804.53
  4. Step 4: Simplify right side
    83,620.30x = 5,515,546,126.08
  5. Step 5: Solve for x
    x = 5,515,546,126.08/83,620.30
  6. Step 6: Final answer
    x = 65,959.42

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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.