Home / 49,778.07-68,644.85-42,245.07

Finding the Fourth Proportional to 49,778.07, 68,644.85 and 42,245.07

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Solution

The fourth proportional to 49,778.07, 68,644.85 and 42,245.07 is: 58,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,778.07 : 68,644.85 = 42,245.07 : x
  2. Step 2: Convert to fraction form
    49,778.07/68,644.85 = 42,245.07/x
  3. Step 3: Cross multiply
    49,778.07x = 68,644.85 × 42,245.07
  4. Step 4: Simplify right side
    49,778.07x = 2,899,906,282.16
  5. Step 5: Solve for x
    x = 2,899,906,282.16/49,778.07
  6. Step 6: Final answer
    x = 58,256.70

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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.