Home / 55,451.66-76,526.92-31,258.58

Finding the Fourth Proportional to 55,451.66, 76,526.92 and 31,258.58

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Solution

The fourth proportional to 55,451.66, 76,526.92 and 31,258.58 is: 43,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,451.66 : 76,526.92 = 31,258.58 : x
  2. Step 2: Convert to fraction form
    55,451.66/76,526.92 = 31,258.58/x
  3. Step 3: Cross multiply
    55,451.66x = 76,526.92 × 31,258.58
  4. Step 4: Simplify right side
    55,451.66x = 2,392,122,850.97
  5. Step 5: Solve for x
    x = 2,392,122,850.97/55,451.66
  6. Step 6: Final answer
    x = 43,138.89

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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.