Home / 81,865.59-122,652.30-44,401.77

Finding the Fourth Proportional to 81,865.59, 122,652.30 and 44,401.77

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Solution

The fourth proportional to 81,865.59, 122,652.30 and 44,401.77 is: 66,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,865.59 : 122,652.30 = 44,401.77 : x
  2. Step 2: Convert to fraction form
    81,865.59/122,652.30 = 44,401.77/x
  3. Step 3: Cross multiply
    81,865.59x = 122,652.30 × 44,401.77
  4. Step 4: Simplify right side
    81,865.59x = 5,445,979,214.57
  5. Step 5: Solve for x
    x = 5,445,979,214.57/81,865.59
  6. Step 6: Final answer
    x = 66,523.42

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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.