Home / 74,613.16-102,934.74-49,418.92

Finding the Fourth Proportional to 74,613.16, 102,934.74 and 49,418.92

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Solution

The fourth proportional to 74,613.16, 102,934.74 and 49,418.92 is: 68,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,613.16 : 102,934.74 = 49,418.92 : x
  2. Step 2: Convert to fraction form
    74,613.16/102,934.74 = 49,418.92/x
  3. Step 3: Cross multiply
    74,613.16x = 102,934.74 × 49,418.92
  4. Step 4: Simplify right side
    74,613.16x = 5,086,923,681.28
  5. Step 5: Solve for x
    x = 5,086,923,681.28/74,613.16
  6. Step 6: Final answer
    x = 68,177.30

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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.