Home / 88,891.70-133,121.55-47,246.90

Finding the Fourth Proportional to 88,891.70, 133,121.55 and 47,246.90

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Solution

The fourth proportional to 88,891.70, 133,121.55 and 47,246.90 is: 70,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,891.70 : 133,121.55 = 47,246.90 : x
  2. Step 2: Convert to fraction form
    88,891.70/133,121.55 = 47,246.90/x
  3. Step 3: Cross multiply
    88,891.70x = 133,121.55 × 47,246.90
  4. Step 4: Simplify right side
    88,891.70x = 6,289,580,560.70
  5. Step 5: Solve for x
    x = 6,289,580,560.70/88,891.70
  6. Step 6: Final answer
    x = 70,755.54

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1.5x scale

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.