Home / 86,346.75-129,514.17-53,071.95

Finding the Fourth Proportional to 86,346.75, 129,514.17 and 53,071.95

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Solution

The fourth proportional to 86,346.75, 129,514.17 and 53,071.95 is: 79,604.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,346.75 : 129,514.17 = 53,071.95 : x
  2. Step 2: Convert to fraction form
    86,346.75/129,514.17 = 53,071.95/x
  3. Step 3: Cross multiply
    86,346.75x = 129,514.17 × 53,071.95
  4. Step 4: Simplify right side
    86,346.75x = 6,873,569,554.53
  5. Step 5: Solve for x
    x = 6,873,569,554.53/86,346.75
  6. Step 6: Final answer
    x = 79,604.26

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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.