Home / 86,769.30-130,166.10-27,598.80

Finding the Fourth Proportional to 86,769.30, 130,166.10 and 27,598.80

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Solution

The fourth proportional to 86,769.30, 130,166.10 and 27,598.80 is: 41,402.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,769.30 : 130,166.10 = 27,598.80 : x
  2. Step 2: Convert to fraction form
    86,769.30/130,166.10 = 27,598.80/x
  3. Step 3: Cross multiply
    86,769.30x = 130,166.10 × 27,598.80
  4. Step 4: Simplify right side
    86,769.30x = 3,592,428,160.68
  5. Step 5: Solve for x
    x = 3,592,428,160.68/86,769.30
  6. Step 6: Final answer
    x = 41,402.06

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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.