Home / 74,933.52-103,429.80-49,458.48

Finding the Fourth Proportional to 74,933.52, 103,429.80 and 49,458.48

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Solution

The fourth proportional to 74,933.52, 103,429.80 and 49,458.48 is: 68,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,933.52 : 103,429.80 = 49,458.48 : x
  2. Step 2: Convert to fraction form
    74,933.52/103,429.80 = 49,458.48/x
  3. Step 3: Cross multiply
    74,933.52x = 103,429.80 × 49,458.48
  4. Step 4: Simplify right side
    74,933.52x = 5,115,480,694.70
  5. Step 5: Solve for x
    x = 5,115,480,694.70/74,933.52
  6. Step 6: Final answer
    x = 68,266.92

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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.