Home / 90,246.98-124,541.82-49,961.41

Finding the Fourth Proportional to 90,246.98, 124,541.82 and 49,961.41

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Solution

The fourth proportional to 90,246.98, 124,541.82 and 49,961.41 is: 68,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,246.98 : 124,541.82 = 49,961.41 : x
  2. Step 2: Convert to fraction form
    90,246.98/124,541.82 = 49,961.41/x
  3. Step 3: Cross multiply
    90,246.98x = 124,541.82 × 49,961.41
  4. Step 4: Simplify right side
    90,246.98x = 6,222,284,619.81
  5. Step 5: Solve for x
    x = 6,222,284,619.81/90,246.98
  6. Step 6: Final answer
    x = 68,947.29

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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.