Home / 84,761.76-127,176.04-32,185.20

Finding the Fourth Proportional to 84,761.76, 127,176.04 and 32,185.20

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Solution

The fourth proportional to 84,761.76, 127,176.04 and 32,185.20 is: 48,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,761.76 : 127,176.04 = 32,185.20 : x
  2. Step 2: Convert to fraction form
    84,761.76/127,176.04 = 32,185.20/x
  3. Step 3: Cross multiply
    84,761.76x = 127,176.04 × 32,185.20
  4. Step 4: Simplify right side
    84,761.76x = 4,093,186,282.61
  5. Step 5: Solve for x
    x = 4,093,186,282.61/84,761.76
  6. Step 6: Final answer
    x = 48,290.48

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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.