Home / 80,687.14-111,346.58-44,387.06

Finding the Fourth Proportional to 80,687.14, 111,346.58 and 44,387.06

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Solution

The fourth proportional to 80,687.14, 111,346.58 and 44,387.06 is: 61,253.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,687.14 : 111,346.58 = 44,387.06 : x
  2. Step 2: Convert to fraction form
    80,687.14/111,346.58 = 44,387.06/x
  3. Step 3: Cross multiply
    80,687.14x = 111,346.58 × 44,387.06
  4. Step 4: Simplify right side
    80,687.14x = 4,942,346,966.14
  5. Step 5: Solve for x
    x = 4,942,346,966.14/80,687.14
  6. Step 6: Final answer
    x = 61,253.22

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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.