Home / 81,723.02-122,356.14-44,148.48

Finding the Fourth Proportional to 81,723.02, 122,356.14 and 44,148.48

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Solution

The fourth proportional to 81,723.02, 122,356.14 and 44,148.48 is: 66,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,723.02 : 122,356.14 = 44,148.48 : x
  2. Step 2: Convert to fraction form
    81,723.02/122,356.14 = 44,148.48/x
  3. Step 3: Cross multiply
    81,723.02x = 122,356.14 × 44,148.48
  4. Step 4: Simplify right side
    81,723.02x = 5,401,837,306.39
  5. Step 5: Solve for x
    x = 5,401,837,306.39/81,723.02
  6. Step 6: Final answer
    x = 66,099.34

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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.