Home / 49,170.12-67,856.38-27,663.64

Finding the Fourth Proportional to 49,170.12, 67,856.38 and 27,663.64

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Solution

The fourth proportional to 49,170.12, 67,856.38 and 27,663.64 is: 38,176.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,170.12 : 67,856.38 = 27,663.64 : x
  2. Step 2: Convert to fraction form
    49,170.12/67,856.38 = 27,663.64/x
  3. Step 3: Cross multiply
    49,170.12x = 67,856.38 × 27,663.64
  4. Step 4: Simplify right side
    49,170.12x = 1,877,154,468.02
  5. Step 5: Solve for x
    x = 1,877,154,468.02/49,170.12
  6. Step 6: Final answer
    x = 38,176.73

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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.