Home / 102,810.32-154,230.84-32,691.92

Finding the Fourth Proportional to 102,810.32, 154,230.84 and 32,691.92

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Solution

The fourth proportional to 102,810.32, 154,230.84 and 32,691.92 is: 49,042.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,810.32 : 154,230.84 = 32,691.92 : x
  2. Step 2: Convert to fraction form
    102,810.32/154,230.84 = 32,691.92/x
  3. Step 3: Cross multiply
    102,810.32x = 154,230.84 × 32,691.92
  4. Step 4: Simplify right side
    102,810.32x = 5,042,102,282.81
  5. Step 5: Solve for x
    x = 5,042,102,282.81/102,810.32
  6. Step 6: Final answer
    x = 49,042.76

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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.