Home / 81,166.41-112,007.49-45,356.70

Finding the Fourth Proportional to 81,166.41, 112,007.49 and 45,356.70

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Solution

The fourth proportional to 81,166.41, 112,007.49 and 45,356.70 is: 62,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,166.41 : 112,007.49 = 45,356.70 : x
  2. Step 2: Convert to fraction form
    81,166.41/112,007.49 = 45,356.70/x
  3. Step 3: Cross multiply
    81,166.41x = 112,007.49 × 45,356.70
  4. Step 4: Simplify right side
    81,166.41x = 5,080,290,121.68
  5. Step 5: Solve for x
    x = 5,080,290,121.68/81,166.41
  6. Step 6: Final answer
    x = 62,591.04

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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.