Home / 89,737.65-123,838.77-49,452.85

Finding the Fourth Proportional to 89,737.65, 123,838.77 and 49,452.85

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Solution

The fourth proportional to 89,737.65, 123,838.77 and 49,452.85 is: 68,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,737.65 : 123,838.77 = 49,452.85 : x
  2. Step 2: Convert to fraction form
    89,737.65/123,838.77 = 49,452.85/x
  3. Step 3: Cross multiply
    89,737.65x = 123,838.77 × 49,452.85
  4. Step 4: Simplify right side
    89,737.65x = 6,124,180,364.78
  5. Step 5: Solve for x
    x = 6,124,180,364.78/89,737.65
  6. Step 6: Final answer
    x = 68,245.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.