Home / 55,207.62-76,193.40-31,342.02

Finding the Fourth Proportional to 55,207.62, 76,193.40 and 31,342.02

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Solution

The fourth proportional to 55,207.62, 76,193.40 and 31,342.02 is: 43,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,207.62 : 76,193.40 = 31,342.02 : x
  2. Step 2: Convert to fraction form
    55,207.62/76,193.40 = 31,342.02/x
  3. Step 3: Cross multiply
    55,207.62x = 76,193.40 × 31,342.02
  4. Step 4: Simplify right side
    55,207.62x = 2,388,055,066.67
  5. Step 5: Solve for x
    x = 2,388,055,066.67/55,207.62
  6. Step 6: Final answer
    x = 43,255.90

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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.