Home / 83,168.44-114,772.55-45,442.69

Finding the Fourth Proportional to 83,168.44, 114,772.55 and 45,442.69

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Solution

The fourth proportional to 83,168.44, 114,772.55 and 45,442.69 is: 62,710.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,168.44 : 114,772.55 = 45,442.69 : x
  2. Step 2: Convert to fraction form
    83,168.44/114,772.55 = 45,442.69/x
  3. Step 3: Cross multiply
    83,168.44x = 114,772.55 × 45,442.69
  4. Step 4: Simplify right side
    83,168.44x = 5,215,572,896.01
  5. Step 5: Solve for x
    x = 5,215,572,896.01/83,168.44
  6. Step 6: Final answer
    x = 62,710.96

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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.