Home / 49,327.76-68,072.44-31,418.93

Finding the Fourth Proportional to 49,327.76, 68,072.44 and 31,418.93

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Solution

The fourth proportional to 49,327.76, 68,072.44 and 31,418.93 is: 43,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,327.76 : 68,072.44 = 31,418.93 : x
  2. Step 2: Convert to fraction form
    49,327.76/68,072.44 = 31,418.93/x
  3. Step 3: Cross multiply
    49,327.76x = 68,072.44 × 31,418.93
  4. Step 4: Simplify right side
    49,327.76x = 2,138,762,886.93
  5. Step 5: Solve for x
    x = 2,138,762,886.93/49,327.76
  6. Step 6: Final answer
    x = 43,358.20

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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.