Home / 80,954.52-121,412.18-41,491.32

Finding the Fourth Proportional to 80,954.52, 121,412.18 and 41,491.32

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Solution

The fourth proportional to 80,954.52, 121,412.18 and 41,491.32 is: 62,226.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,954.52 : 121,412.18 = 41,491.32 : x
  2. Step 2: Convert to fraction form
    80,954.52/121,412.18 = 41,491.32/x
  3. Step 3: Cross multiply
    80,954.52x = 121,412.18 × 41,491.32
  4. Step 4: Simplify right side
    80,954.52x = 5,037,551,612.28
  5. Step 5: Solve for x
    x = 5,037,551,612.28/80,954.52
  6. Step 6: Final answer
    x = 62,226.93

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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.