Home / 62,680.10-86,439.78-49,975.52

Finding the Fourth Proportional to 62,680.10, 86,439.78 and 49,975.52

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Solution

The fourth proportional to 62,680.10, 86,439.78 and 49,975.52 is: 68,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,680.10 : 86,439.78 = 49,975.52 : x
  2. Step 2: Convert to fraction form
    62,680.10/86,439.78 = 49,975.52/x
  3. Step 3: Cross multiply
    62,680.10x = 86,439.78 × 49,975.52
  4. Step 4: Simplify right side
    62,680.10x = 4,319,872,521.99
  5. Step 5: Solve for x
    x = 4,319,872,521.99/62,680.10
  6. Step 6: Final answer
    x = 68,919.37

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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.