Home / 81,799.86-122,702.52-22,630.58

Finding the Fourth Proportional to 81,799.86, 122,702.52 and 22,630.58

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Solution

The fourth proportional to 81,799.86, 122,702.52 and 22,630.58 is: 33,946.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,799.86 : 122,702.52 = 22,630.58 : x
  2. Step 2: Convert to fraction form
    81,799.86/122,702.52 = 22,630.58/x
  3. Step 3: Cross multiply
    81,799.86x = 122,702.52 × 22,630.58
  4. Step 4: Simplify right side
    81,799.86x = 2,776,829,195.06
  5. Step 5: Solve for x
    x = 2,776,829,195.06/81,799.86
  6. Step 6: Final answer
    x = 33,946.63

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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.