Home / 45,633.30-68,461.29-26,928.78

Finding the Fourth Proportional to 45,633.30, 68,461.29 and 26,928.78

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Solution

The fourth proportional to 45,633.30, 68,461.29 and 26,928.78 is: 40,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,633.30 : 68,461.29 = 26,928.78 : x
  2. Step 2: Convert to fraction form
    45,633.30/68,461.29 = 26,928.78/x
  3. Step 3: Cross multiply
    45,633.30x = 68,461.29 × 26,928.78
  4. Step 4: Simplify right side
    45,633.30x = 1,843,579,016.93
  5. Step 5: Solve for x
    x = 1,843,579,016.93/45,633.30
  6. Step 6: Final answer
    x = 40,399.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.