Home / 49,820.35-68,713.20-31,917.02

Finding the Fourth Proportional to 49,820.35, 68,713.20 and 31,917.02

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Solution

The fourth proportional to 49,820.35, 68,713.20 and 31,917.02 is: 44,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,820.35 : 68,713.20 = 31,917.02 : x
  2. Step 2: Convert to fraction form
    49,820.35/68,713.20 = 31,917.02/x
  3. Step 3: Cross multiply
    49,820.35x = 68,713.20 × 31,917.02
  4. Step 4: Simplify right side
    49,820.35x = 2,193,120,492.77
  5. Step 5: Solve for x
    x = 2,193,120,492.77/49,820.35
  6. Step 6: Final answer
    x = 44,020.58

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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.