Home / 81,723.49-122,356.84-44,148.95

Finding the Fourth Proportional to 81,723.49, 122,356.84 and 44,148.95

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Solution

The fourth proportional to 81,723.49, 122,356.84 and 44,148.95 is: 66,100.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,723.49 : 122,356.84 = 44,148.95 : x
  2. Step 2: Convert to fraction form
    81,723.49/122,356.84 = 44,148.95/x
  3. Step 3: Cross multiply
    81,723.49x = 122,356.84 × 44,148.95
  4. Step 4: Simplify right side
    81,723.49x = 5,401,925,454.72
  5. Step 5: Solve for x
    x = 5,401,925,454.72/81,723.49
  6. Step 6: Final answer
    x = 66,100.04

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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.