Home / 83,917.32-115,805.90-45,677.01

Finding the Fourth Proportional to 83,917.32, 115,805.90 and 45,677.01

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Solution

The fourth proportional to 83,917.32, 115,805.90 and 45,677.01 is: 63,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,917.32 : 115,805.90 = 45,677.01 : x
  2. Step 2: Convert to fraction form
    83,917.32/115,805.90 = 45,677.01/x
  3. Step 3: Cross multiply
    83,917.32x = 115,805.90 × 45,677.01
  4. Step 4: Simplify right side
    83,917.32x = 5,289,667,252.36
  5. Step 5: Solve for x
    x = 5,289,667,252.36/83,917.32
  6. Step 6: Final answer
    x = 63,034.27

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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.