Home / 86,234.13-129,364.92-27,055.80

Finding the Fourth Proportional to 86,234.13, 129,364.92 and 27,055.80

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Solution

The fourth proportional to 86,234.13, 129,364.92 and 27,055.80 is: 40,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,234.13 : 129,364.92 = 27,055.80 : x
  2. Step 2: Convert to fraction form
    86,234.13/129,364.92 = 27,055.80/x
  3. Step 3: Cross multiply
    86,234.13x = 129,364.92 × 27,055.80
  4. Step 4: Simplify right side
    86,234.13x = 3,500,071,402.54
  5. Step 5: Solve for x
    x = 3,500,071,402.54/86,234.13
  6. Step 6: Final answer
    x = 40,588.01

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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.