Home / 86,339.64-129,511.08-27,177.24

Finding the Fourth Proportional to 86,339.64, 129,511.08 and 27,177.24

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Solution

The fourth proportional to 86,339.64, 129,511.08 and 27,177.24 is: 40,766.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,339.64 : 129,511.08 = 27,177.24 : x
  2. Step 2: Convert to fraction form
    86,339.64/129,511.08 = 27,177.24/x
  3. Step 3: Cross multiply
    86,339.64x = 129,511.08 × 27,177.24
  4. Step 4: Simplify right side
    86,339.64x = 3,519,753,703.82
  5. Step 5: Solve for x
    x = 3,519,753,703.82/86,339.64
  6. Step 6: Final answer
    x = 40,766.37

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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.