Home / 74,793.30-103,212.76-40,801.85

Finding the Fourth Proportional to 74,793.30, 103,212.76 and 40,801.85

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Solution

The fourth proportional to 74,793.30, 103,212.76 and 40,801.85 is: 56,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,793.30 : 103,212.76 = 40,801.85 : x
  2. Step 2: Convert to fraction form
    74,793.30/103,212.76 = 40,801.85/x
  3. Step 3: Cross multiply
    74,793.30x = 103,212.76 × 40,801.85
  4. Step 4: Simplify right side
    74,793.30x = 4,211,271,551.61
  5. Step 5: Solve for x
    x = 4,211,271,551.61/74,793.30
  6. Step 6: Final answer
    x = 56,305.47

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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.