Home / 87,596.79-120,875.62-49,362.56

Finding the Fourth Proportional to 87,596.79, 120,875.62 and 49,362.56

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Solution

The fourth proportional to 87,596.79, 120,875.62 and 49,362.56 is: 68,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,596.79 : 120,875.62 = 49,362.56 : x
  2. Step 2: Convert to fraction form
    87,596.79/120,875.62 = 49,362.56/x
  3. Step 3: Cross multiply
    87,596.79x = 120,875.62 × 49,362.56
  4. Step 4: Simplify right side
    87,596.79x = 5,966,730,044.79
  5. Step 5: Solve for x
    x = 5,966,730,044.79/87,596.79
  6. Step 6: Final answer
    x = 68,115.85

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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.