Home / 84,247.83-126,371.75-57,872.61

Finding the Fourth Proportional to 84,247.83, 126,371.75 and 57,872.61

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Solution

The fourth proportional to 84,247.83, 126,371.75 and 57,872.61 is: 86,808.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,247.83 : 126,371.75 = 57,872.61 : x
  2. Step 2: Convert to fraction form
    84,247.83/126,371.75 = 57,872.61/x
  3. Step 3: Cross multiply
    84,247.83x = 126,371.75 × 57,872.61
  4. Step 4: Simplify right side
    84,247.83x = 7,313,462,713.40
  5. Step 5: Solve for x
    x = 7,313,462,713.40/84,247.83
  6. Step 6: Final answer
    x = 86,808.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.