Home / 88,001.46-131,981.76-52,472.70

Finding the Fourth Proportional to 88,001.46, 131,981.76 and 52,472.70

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Solution

The fourth proportional to 88,001.46, 131,981.76 and 52,472.70 is: 78,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,001.46 : 131,981.76 = 52,472.70 : x
  2. Step 2: Convert to fraction form
    88,001.46/131,981.76 = 52,472.70/x
  3. Step 3: Cross multiply
    88,001.46x = 131,981.76 × 52,472.70
  4. Step 4: Simplify right side
    88,001.46x = 6,925,439,297.95
  5. Step 5: Solve for x
    x = 6,925,439,297.95/88,001.46
  6. Step 6: Final answer
    x = 78,696.87

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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.