Home / 57,233.22-78,982.55-31,739.94

Finding the Fourth Proportional to 57,233.22, 78,982.55 and 31,739.94

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Solution

The fourth proportional to 57,233.22, 78,982.55 and 31,739.94 is: 43,801.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,233.22 : 78,982.55 = 31,739.94 : x
  2. Step 2: Convert to fraction form
    57,233.22/78,982.55 = 31,739.94/x
  3. Step 3: Cross multiply
    57,233.22x = 78,982.55 × 31,739.94
  4. Step 4: Simplify right side
    57,233.22x = 2,506,901,239.35
  5. Step 5: Solve for x
    x = 2,506,901,239.35/57,233.22
  6. Step 6: Final answer
    x = 43,801.51

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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.