Home / 55,212.60-76,203.18-31,334.52

Finding the Fourth Proportional to 55,212.60, 76,203.18 and 31,334.52

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Solution

The fourth proportional to 55,212.60, 76,203.18 and 31,334.52 is: 43,247.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,212.60 : 76,203.18 = 31,334.52 : x
  2. Step 2: Convert to fraction form
    55,212.60/76,203.18 = 31,334.52/x
  3. Step 3: Cross multiply
    55,212.60x = 76,203.18 × 31,334.52
  4. Step 4: Simplify right side
    55,212.60x = 2,387,790,067.77
  5. Step 5: Solve for x
    x = 2,387,790,067.77/55,212.60
  6. Step 6: Final answer
    x = 43,247.19

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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.