Home / 90,044.73-124,269.21-49,766.36

Finding the Fourth Proportional to 90,044.73, 124,269.21 and 49,766.36

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Solution

The fourth proportional to 90,044.73, 124,269.21 and 49,766.36 is: 68,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,044.73 : 124,269.21 = 49,766.36 : x
  2. Step 2: Convert to fraction form
    90,044.73/124,269.21 = 49,766.36/x
  3. Step 3: Cross multiply
    90,044.73x = 124,269.21 × 49,766.36
  4. Step 4: Simplify right side
    90,044.73x = 6,184,425,620.43
  5. Step 5: Solve for x
    x = 6,184,425,620.43/90,044.73
  6. Step 6: Final answer
    x = 68,681.71

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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.