Home / 74,685.73-103,104.41-50,613.86

Finding the Fourth Proportional to 74,685.73, 103,104.41 and 50,613.86

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Solution

The fourth proportional to 74,685.73, 103,104.41 and 50,613.86 is: 69,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,685.73 : 103,104.41 = 50,613.86 : x
  2. Step 2: Convert to fraction form
    74,685.73/103,104.41 = 50,613.86/x
  3. Step 3: Cross multiply
    74,685.73x = 103,104.41 × 50,613.86
  4. Step 4: Simplify right side
    74,685.73x = 5,218,512,173.12
  5. Step 5: Solve for x
    x = 5,218,512,173.12/74,685.73
  6. Step 6: Final answer
    x = 69,872.95

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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.