Home / 86,557.28-129,822.89-27,385.25

Finding the Fourth Proportional to 86,557.28, 129,822.89 and 27,385.25

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Solution

The fourth proportional to 86,557.28, 129,822.89 and 27,385.25 is: 41,073.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,557.28 : 129,822.89 = 27,385.25 : x
  2. Step 2: Convert to fraction form
    86,557.28/129,822.89 = 27,385.25/x
  3. Step 3: Cross multiply
    86,557.28x = 129,822.89 × 27,385.25
  4. Step 4: Simplify right side
    86,557.28x = 3,555,231,512.33
  5. Step 5: Solve for x
    x = 3,555,231,512.33/86,557.28
  6. Step 6: Final answer
    x = 41,073.75

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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.