Home / 81,772.44-122,657.11-44,569.26

Finding the Fourth Proportional to 81,772.44, 122,657.11 and 44,569.26

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Solution

The fourth proportional to 81,772.44, 122,657.11 and 44,569.26 is: 66,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,772.44 : 122,657.11 = 44,569.26 : x
  2. Step 2: Convert to fraction form
    81,772.44/122,657.11 = 44,569.26/x
  3. Step 3: Cross multiply
    81,772.44x = 122,657.11 × 44,569.26
  4. Step 4: Simplify right side
    81,772.44x = 5,466,736,985.34
  5. Step 5: Solve for x
    x = 5,466,736,985.34/81,772.44
  6. Step 6: Final answer
    x = 66,853.05

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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.