Home / 47,928.96-66,139.92-26,708.64

Finding the Fourth Proportional to 47,928.96, 66,139.92 and 26,708.64

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Solution

The fourth proportional to 47,928.96, 66,139.92 and 26,708.64 is: 36,856.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,928.96 : 66,139.92 = 26,708.64 : x
  2. Step 2: Convert to fraction form
    47,928.96/66,139.92 = 26,708.64/x
  3. Step 3: Cross multiply
    47,928.96x = 66,139.92 × 26,708.64
  4. Step 4: Simplify right side
    47,928.96x = 1,766,507,312.91
  5. Step 5: Solve for x
    x = 1,766,507,312.91/47,928.96
  6. Step 6: Final answer
    x = 36,856.78

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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.