Home / 80,679.16-111,336.78-44,867.08

Finding the Fourth Proportional to 80,679.16, 111,336.78 and 44,867.08

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Solution

The fourth proportional to 80,679.16, 111,336.78 and 44,867.08 is: 61,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,679.16 : 111,336.78 = 44,867.08 : x
  2. Step 2: Convert to fraction form
    80,679.16/111,336.78 = 44,867.08/x
  3. Step 3: Cross multiply
    80,679.16x = 111,336.78 × 44,867.08
  4. Step 4: Simplify right side
    80,679.16x = 4,995,356,215.20
  5. Step 5: Solve for x
    x = 4,995,356,215.20/80,679.16
  6. Step 6: Final answer
    x = 61,916.31

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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.