Home / 45,726.70-68,735.85-43,102.30

Finding the Fourth Proportional to 45,726.70, 68,735.85 and 43,102.30

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Solution

The fourth proportional to 45,726.70, 68,735.85 and 43,102.30 is: 64,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,726.70 : 68,735.85 = 43,102.30 : x
  2. Step 2: Convert to fraction form
    45,726.70/68,735.85 = 43,102.30/x
  3. Step 3: Cross multiply
    45,726.70x = 68,735.85 × 43,102.30
  4. Step 4: Simplify right side
    45,726.70x = 2,962,673,227.46
  5. Step 5: Solve for x
    x = 2,962,673,227.46/45,726.70
  6. Step 6: Final answer
    x = 64,790.88

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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.