Home / 74,827.38-103,299.88-57,793.39

Finding the Fourth Proportional to 74,827.38, 103,299.88 and 57,793.39

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Solution

The fourth proportional to 74,827.38, 103,299.88 and 57,793.39 is: 79,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,827.38 : 103,299.88 = 57,793.39 : x
  2. Step 2: Convert to fraction form
    74,827.38/103,299.88 = 57,793.39/x
  3. Step 3: Cross multiply
    74,827.38x = 103,299.88 × 57,793.39
  4. Step 4: Simplify right side
    74,827.38x = 5,970,050,251.79
  5. Step 5: Solve for x
    x = 5,970,050,251.79/74,827.38
  6. Step 6: Final answer
    x = 79,784.30

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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.