Home / 88,382.54-121,970.49-48,098.91

Finding the Fourth Proportional to 88,382.54, 121,970.49 and 48,098.91

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Solution

The fourth proportional to 88,382.54, 121,970.49 and 48,098.91 is: 66,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,382.54 : 121,970.49 = 48,098.91 : x
  2. Step 2: Convert to fraction form
    88,382.54/121,970.49 = 48,098.91/x
  3. Step 3: Cross multiply
    88,382.54x = 121,970.49 × 48,098.91
  4. Step 4: Simplify right side
    88,382.54x = 5,866,647,621.17
  5. Step 5: Solve for x
    x = 5,866,647,621.17/88,382.54
  6. Step 6: Final answer
    x = 66,377.91

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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.