Home / 88,676.50-133,039.75-36,123.70

Finding the Fourth Proportional to 88,676.50, 133,039.75 and 36,123.70

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Solution

The fourth proportional to 88,676.50, 133,039.75 and 36,123.70 is: 54,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,676.50 : 133,039.75 = 36,123.70 : x
  2. Step 2: Convert to fraction form
    88,676.50/133,039.75 = 36,123.70/x
  3. Step 3: Cross multiply
    88,676.50x = 133,039.75 × 36,123.70
  4. Step 4: Simplify right side
    88,676.50x = 4,805,888,017.08
  5. Step 5: Solve for x
    x = 4,805,888,017.08/88,676.50
  6. Step 6: Final answer
    x = 54,195.73

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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.