Home / 83,959.14-115,865.13-45,719.82

Finding the Fourth Proportional to 83,959.14, 115,865.13 and 45,719.82

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Solution

The fourth proportional to 83,959.14, 115,865.13 and 45,719.82 is: 63,094.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,959.14 : 115,865.13 = 45,719.82 : x
  2. Step 2: Convert to fraction form
    83,959.14/115,865.13 = 45,719.82/x
  3. Step 3: Cross multiply
    83,959.14x = 115,865.13 × 45,719.82
  4. Step 4: Simplify right side
    83,959.14x = 5,297,332,887.88
  5. Step 5: Solve for x
    x = 5,297,332,887.88/83,959.14
  6. Step 6: Final answer
    x = 63,094.18

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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.