Home / 80,716.52-111,383.28-44,905.20

Finding the Fourth Proportional to 80,716.52, 111,383.28 and 44,905.20

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Solution

The fourth proportional to 80,716.52, 111,383.28 and 44,905.20 is: 61,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,716.52 : 111,383.28 = 44,905.20 : x
  2. Step 2: Convert to fraction form
    80,716.52/111,383.28 = 44,905.20/x
  3. Step 3: Cross multiply
    80,716.52x = 111,383.28 × 44,905.20
  4. Step 4: Simplify right side
    80,716.52x = 5,001,688,465.06
  5. Step 5: Solve for x
    x = 5,001,688,465.06/80,716.52
  6. Step 6: Final answer
    x = 61,966.11

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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.