Home / 81,732.20-112,790.54-45,922.19

Finding the Fourth Proportional to 81,732.20, 112,790.54 and 45,922.19

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Solution

The fourth proportional to 81,732.20, 112,790.54 and 45,922.19 is: 63,372.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,732.20 : 112,790.54 = 45,922.19 : x
  2. Step 2: Convert to fraction form
    81,732.20/112,790.54 = 45,922.19/x
  3. Step 3: Cross multiply
    81,732.20x = 112,790.54 × 45,922.19
  4. Step 4: Simplify right side
    81,732.20x = 5,179,588,378.47
  5. Step 5: Solve for x
    x = 5,179,588,378.47/81,732.20
  6. Step 6: Final answer
    x = 63,372.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.