Home / 81,166.43-112,007.58-45,356.73

Finding the Fourth Proportional to 81,166.43, 112,007.58 and 45,356.73

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Solution

The fourth proportional to 81,166.43, 112,007.58 and 45,356.73 is: 62,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,166.43 : 112,007.58 = 45,356.73 : x
  2. Step 2: Convert to fraction form
    81,166.43/112,007.58 = 45,356.73/x
  3. Step 3: Cross multiply
    81,166.43x = 112,007.58 × 45,356.73
  4. Step 4: Simplify right side
    81,166.43x = 5,080,298,301.66
  5. Step 5: Solve for x
    x = 5,080,298,301.66/81,166.43
  6. Step 6: Final answer
    x = 62,591.13

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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.