Home / 86,691.38-130,053.22-27,511.10

Finding the Fourth Proportional to 86,691.38, 130,053.22 and 27,511.10

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Solution

The fourth proportional to 86,691.38, 130,053.22 and 27,511.10 is: 41,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,691.38 : 130,053.22 = 27,511.10 : x
  2. Step 2: Convert to fraction form
    86,691.38/130,053.22 = 27,511.10/x
  3. Step 3: Cross multiply
    86,691.38x = 130,053.22 × 27,511.10
  4. Step 4: Simplify right side
    86,691.38x = 3,577,907,140.74
  5. Step 5: Solve for x
    x = 3,577,907,140.74/86,691.38
  6. Step 6: Final answer
    x = 41,271.78

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1.5x scale

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.