Home / 74,919.40-103,450.98-49,882.60

Finding the Fourth Proportional to 74,919.40, 103,450.98 and 49,882.60

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Solution

The fourth proportional to 74,919.40, 103,450.98 and 49,882.60 is: 68,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,919.40 : 103,450.98 = 49,882.60 : x
  2. Step 2: Convert to fraction form
    74,919.40/103,450.98 = 49,882.60/x
  3. Step 3: Cross multiply
    74,919.40x = 103,450.98 × 49,882.60
  4. Step 4: Simplify right side
    74,919.40x = 5,160,403,854.95
  5. Step 5: Solve for x
    x = 5,160,403,854.95/74,919.40
  6. Step 6: Final answer
    x = 68,879.41

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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.