Home / 49,396.78-68,168.10-28,177.30

Finding the Fourth Proportional to 49,396.78, 68,168.10 and 28,177.30

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Solution

The fourth proportional to 49,396.78, 68,168.10 and 28,177.30 is: 38,884.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,396.78 : 68,168.10 = 28,177.30 : x
  2. Step 2: Convert to fraction form
    49,396.78/68,168.10 = 28,177.30/x
  3. Step 3: Cross multiply
    49,396.78x = 68,168.10 × 28,177.30
  4. Step 4: Simplify right side
    49,396.78x = 1,920,793,004.13
  5. Step 5: Solve for x
    x = 1,920,793,004.13/49,396.78
  6. Step 6: Final answer
    x = 38,884.98

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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.