Home / 57,258.56-79,016.92-31,764.15

Finding the Fourth Proportional to 57,258.56, 79,016.92 and 31,764.15

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Solution

The fourth proportional to 57,258.56, 79,016.92 and 31,764.15 is: 43,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,258.56 : 79,016.92 = 31,764.15 : x
  2. Step 2: Convert to fraction form
    57,258.56/79,016.92 = 31,764.15/x
  3. Step 3: Cross multiply
    57,258.56x = 79,016.92 × 31,764.15
  4. Step 4: Simplify right side
    57,258.56x = 2,509,905,220.01
  5. Step 5: Solve for x
    x = 2,509,905,220.01/57,258.56
  6. Step 6: Final answer
    x = 43,834.58

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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.