Home / 73,042.76-100,799.74-42,845.96

Finding the Fourth Proportional to 73,042.76, 100,799.74 and 42,845.96

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Solution

The fourth proportional to 73,042.76, 100,799.74 and 42,845.96 is: 59,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,042.76 : 100,799.74 = 42,845.96 : x
  2. Step 2: Convert to fraction form
    73,042.76/100,799.74 = 42,845.96/x
  3. Step 3: Cross multiply
    73,042.76x = 100,799.74 × 42,845.96
  4. Step 4: Simplify right side
    73,042.76x = 4,318,861,933.61
  5. Step 5: Solve for x
    x = 4,318,861,933.61/73,042.76
  6. Step 6: Final answer
    x = 59,127.86

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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.