Home / 84,514.68-116,647.56-57,731.22

Finding the Fourth Proportional to 84,514.68, 116,647.56 and 57,731.22

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Solution

The fourth proportional to 84,514.68, 116,647.56 and 57,731.22 is: 79,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,514.68 : 116,647.56 = 57,731.22 : x
  2. Step 2: Convert to fraction form
    84,514.68/116,647.56 = 57,731.22/x
  3. Step 3: Cross multiply
    84,514.68x = 116,647.56 × 57,731.22
  4. Step 4: Simplify right side
    84,514.68x = 6,734,205,948.82
  5. Step 5: Solve for x
    x = 6,734,205,948.82/84,514.68
  6. Step 6: Final answer
    x = 79,680.90

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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.