Home / 81,054.46-121,624.49-57,514.11

Finding the Fourth Proportional to 81,054.46, 121,624.49 and 57,514.11

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Solution

The fourth proportional to 81,054.46, 121,624.49 and 57,514.11 is: 86,301.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,054.46 : 121,624.49 = 57,514.11 : x
  2. Step 2: Convert to fraction form
    81,054.46/121,624.49 = 57,514.11/x
  3. Step 3: Cross multiply
    81,054.46x = 121,624.49 × 57,514.11
  4. Step 4: Simplify right side
    81,054.46x = 6,995,124,296.55
  5. Step 5: Solve for x
    x = 6,995,124,296.55/81,054.46
  6. Step 6: Final answer
    x = 86,301.53

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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.