Home / 89,939.31-124,112.97-49,652.21

Finding the Fourth Proportional to 89,939.31, 124,112.97 and 49,652.21

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Solution

The fourth proportional to 89,939.31, 124,112.97 and 49,652.21 is: 68,518.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,939.31 : 124,112.97 = 49,652.21 : x
  2. Step 2: Convert to fraction form
    89,939.31/124,112.97 = 49,652.21/x
  3. Step 3: Cross multiply
    89,939.31x = 124,112.97 × 49,652.21
  4. Step 4: Simplify right side
    89,939.31x = 6,162,482,629.60
  5. Step 5: Solve for x
    x = 6,162,482,629.60/89,939.31
  6. Step 6: Final answer
    x = 68,518.23

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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.