Home / 49,827.12-68,722.50-31,923.78

Finding the Fourth Proportional to 49,827.12, 68,722.50 and 31,923.78

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Solution

The fourth proportional to 49,827.12, 68,722.50 and 31,923.78 is: 44,029.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,827.12 : 68,722.50 = 31,923.78 : x
  2. Step 2: Convert to fraction form
    49,827.12/68,722.50 = 31,923.78/x
  3. Step 3: Cross multiply
    49,827.12x = 68,722.50 × 31,923.78
  4. Step 4: Simplify right side
    49,827.12x = 2,193,881,971.05
  5. Step 5: Solve for x
    x = 2,193,881,971.05/49,827.12
  6. Step 6: Final answer
    x = 44,029.88

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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.