Home / 86,738.69-130,080.15-27,560.52

Finding the Fourth Proportional to 86,738.69, 130,080.15 and 27,560.52

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Solution

The fourth proportional to 86,738.69, 130,080.15 and 27,560.52 is: 41,331.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,738.69 : 130,080.15 = 27,560.52 : x
  2. Step 2: Convert to fraction form
    86,738.69/130,080.15 = 27,560.52/x
  3. Step 3: Cross multiply
    86,738.69x = 130,080.15 × 27,560.52
  4. Step 4: Simplify right side
    86,738.69x = 3,585,076,575.68
  5. Step 5: Solve for x
    x = 3,585,076,575.68/86,738.69
  6. Step 6: Final answer
    x = 41,331.92

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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.