Home / 83,655.28-125,456.32-27,482.36

Finding the Fourth Proportional to 83,655.28, 125,456.32 and 27,482.36

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Solution

The fourth proportional to 83,655.28, 125,456.32 and 27,482.36 is: 41,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,655.28 : 125,456.32 = 27,482.36 : x
  2. Step 2: Convert to fraction form
    83,655.28/125,456.32 = 27,482.36/x
  3. Step 3: Cross multiply
    83,655.28x = 125,456.32 × 27,482.36
  4. Step 4: Simplify right side
    83,655.28x = 3,447,835,750.52
  5. Step 5: Solve for x
    x = 3,447,835,750.52/83,655.28
  6. Step 6: Final answer
    x = 41,214.80

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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.