Home / 92,769.19-139,067.20-36,609.76

Finding the Fourth Proportional to 92,769.19, 139,067.20 and 36,609.76

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Solution

The fourth proportional to 92,769.19, 139,067.20 and 36,609.76 is: 54,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,769.19 : 139,067.20 = 36,609.76 : x
  2. Step 2: Convert to fraction form
    92,769.19/139,067.20 = 36,609.76/x
  3. Step 3: Cross multiply
    92,769.19x = 139,067.20 × 36,609.76
  4. Step 4: Simplify right side
    92,769.19x = 5,091,216,815.87
  5. Step 5: Solve for x
    x = 5,091,216,815.87/92,769.19
  6. Step 6: Final answer
    x = 54,880.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.