Home / 86,985.20-130,498.24-27,010.61

Finding the Fourth Proportional to 86,985.20, 130,498.24 and 27,010.61

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Solution

The fourth proportional to 86,985.20, 130,498.24 and 27,010.61 is: 40,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,985.20 : 130,498.24 = 27,010.61 : x
  2. Step 2: Convert to fraction form
    86,985.20/130,498.24 = 27,010.61/x
  3. Step 3: Cross multiply
    86,985.20x = 130,498.24 × 27,010.61
  4. Step 4: Simplify right side
    86,985.20x = 3,524,837,066.33
  5. Step 5: Solve for x
    x = 3,524,837,066.33/86,985.20
  6. Step 6: Final answer
    x = 40,522.26

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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.