Home / 45,869.06-63,289.68-29,976.86

Finding the Fourth Proportional to 45,869.06, 63,289.68 and 29,976.86

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Solution

The fourth proportional to 45,869.06, 63,289.68 and 29,976.86 is: 41,361.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,869.06 : 63,289.68 = 29,976.86 : x
  2. Step 2: Convert to fraction form
    45,869.06/63,289.68 = 29,976.86/x
  3. Step 3: Cross multiply
    45,869.06x = 63,289.68 × 29,976.86
  4. Step 4: Simplify right side
    45,869.06x = 1,897,225,876.80
  5. Step 5: Solve for x
    x = 1,897,225,876.80/45,869.06
  6. Step 6: Final answer
    x = 41,361.78

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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.