Home / 79,069.28-109,082.76-51,837.92

Finding the Fourth Proportional to 79,069.28, 109,082.76 and 51,837.92

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Solution

The fourth proportional to 79,069.28, 109,082.76 and 51,837.92 is: 71,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,069.28 : 109,082.76 = 51,837.92 : x
  2. Step 2: Convert to fraction form
    79,069.28/109,082.76 = 51,837.92/x
  3. Step 3: Cross multiply
    79,069.28x = 109,082.76 × 51,837.92
  4. Step 4: Simplify right side
    79,069.28x = 5,654,623,386.26
  5. Step 5: Solve for x
    x = 5,654,623,386.26/79,069.28
  6. Step 6: Final answer
    x = 71,514.80

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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.