Home / 84,743.57-127,065.52-32,156.75

Finding the Fourth Proportional to 84,743.57, 127,065.52 and 32,156.75

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Solution

The fourth proportional to 84,743.57, 127,065.52 and 32,156.75 is: 48,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,743.57 : 127,065.52 = 32,156.75 : x
  2. Step 2: Convert to fraction form
    84,743.57/127,065.52 = 32,156.75/x
  3. Step 3: Cross multiply
    84,743.57x = 127,065.52 × 32,156.75
  4. Step 4: Simplify right side
    84,743.57x = 4,086,013,999.48
  5. Step 5: Solve for x
    x = 4,086,013,999.48/84,743.57
  6. Step 6: Final answer
    x = 48,216.21

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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.