Home / 83,499.54-115,236.66-45,781.08

Finding the Fourth Proportional to 83,499.54, 115,236.66 and 45,781.08

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Solution

The fourth proportional to 83,499.54, 115,236.66 and 45,781.08 is: 63,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,499.54 : 115,236.66 = 45,781.08 : x
  2. Step 2: Convert to fraction form
    83,499.54/115,236.66 = 45,781.08/x
  3. Step 3: Cross multiply
    83,499.54x = 115,236.66 × 45,781.08
  4. Step 4: Simplify right side
    83,499.54x = 5,275,659,038.48
  5. Step 5: Solve for x
    x = 5,275,659,038.48/83,499.54
  6. Step 6: Final answer
    x = 63,181.89

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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.