Home / 88,680.57-133,029.05-35,359.68

Finding the Fourth Proportional to 88,680.57, 133,029.05 and 35,359.68

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Solution

The fourth proportional to 88,680.57, 133,029.05 and 35,359.68 is: 53,042.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,680.57 : 133,029.05 = 35,359.68 : x
  2. Step 2: Convert to fraction form
    88,680.57/133,029.05 = 35,359.68/x
  3. Step 3: Cross multiply
    88,680.57x = 133,029.05 × 35,359.68
  4. Step 4: Simplify right side
    88,680.57x = 4,703,864,638.70
  5. Step 5: Solve for x
    x = 4,703,864,638.70/88,680.57
  6. Step 6: Final answer
    x = 53,042.79

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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.