Home / 96,138.78-144,298.62-48,787.86

Finding the Fourth Proportional to 96,138.78, 144,298.62 and 48,787.86

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Solution

The fourth proportional to 96,138.78, 144,298.62 and 48,787.86 is: 73,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,138.78 : 144,298.62 = 48,787.86 : x
  2. Step 2: Convert to fraction form
    96,138.78/144,298.62 = 48,787.86/x
  3. Step 3: Cross multiply
    96,138.78x = 144,298.62 × 48,787.86
  4. Step 4: Simplify right side
    96,138.78x = 7,040,020,870.75
  5. Step 5: Solve for x
    x = 7,040,020,870.75/96,138.78
  6. Step 6: Final answer
    x = 73,227.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.