Home / 77,442.28-106,872.42-43,913.32

Finding the Fourth Proportional to 77,442.28, 106,872.42 and 43,913.32

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Solution

The fourth proportional to 77,442.28, 106,872.42 and 43,913.32 is: 60,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,442.28 : 106,872.42 = 43,913.32 : x
  2. Step 2: Convert to fraction form
    77,442.28/106,872.42 = 43,913.32/x
  3. Step 3: Cross multiply
    77,442.28x = 106,872.42 × 43,913.32
  4. Step 4: Simplify right side
    77,442.28x = 4,693,122,778.63
  5. Step 5: Solve for x
    x = 4,693,122,778.63/77,442.28
  6. Step 6: Final answer
    x = 60,601.56

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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.