Home / 86,948.20-119,995.94-49,229.16

Finding the Fourth Proportional to 86,948.20, 119,995.94 and 49,229.16

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Solution

The fourth proportional to 86,948.20, 119,995.94 and 49,229.16 is: 67,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,948.20 : 119,995.94 = 49,229.16 : x
  2. Step 2: Convert to fraction form
    86,948.20/119,995.94 = 49,229.16/x
  3. Step 3: Cross multiply
    86,948.20x = 119,995.94 × 49,229.16
  4. Step 4: Simplify right side
    86,948.20x = 5,907,299,329.61
  5. Step 5: Solve for x
    x = 5,907,299,329.61/86,948.20
  6. Step 6: Final answer
    x = 67,940.44

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1.5x scale

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.