Home / 81,867.28-122,800.44-22,702.32

Finding the Fourth Proportional to 81,867.28, 122,800.44 and 22,702.32

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Solution

The fourth proportional to 81,867.28, 122,800.44 and 22,702.32 is: 34,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,867.28 : 122,800.44 = 22,702.32 : x
  2. Step 2: Convert to fraction form
    81,867.28/122,800.44 = 22,702.32/x
  3. Step 3: Cross multiply
    81,867.28x = 122,800.44 × 22,702.32
  4. Step 4: Simplify right side
    81,867.28x = 2,787,854,885.02
  5. Step 5: Solve for x
    x = 2,787,854,885.02/81,867.28
  6. Step 6: Final answer
    x = 34,053.35

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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.