Home / 80,533.97-111,132.47-44,721.71

Finding the Fourth Proportional to 80,533.97, 111,132.47 and 44,721.71

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Solution

The fourth proportional to 80,533.97, 111,132.47 and 44,721.71 is: 61,713.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,533.97 : 111,132.47 = 44,721.71 : x
  2. Step 2: Convert to fraction form
    80,533.97/111,132.47 = 44,721.71/x
  3. Step 3: Cross multiply
    80,533.97x = 111,132.47 × 44,721.71
  4. Step 4: Simplify right side
    80,533.97x = 4,970,033,871.32
  5. Step 5: Solve for x
    x = 4,970,033,871.32/80,533.97
  6. Step 6: Final answer
    x = 61,713.51

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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.