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Finding the Fourth Proportional to 63,955.56, 88,258.68 and 35,660.64

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Solution

The fourth proportional to 63,955.56, 88,258.68 and 35,660.64 is: 49,211.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,955.56 : 88,258.68 = 35,660.64 : x
  2. Step 2: Convert to fraction form
    63,955.56/88,258.68 = 35,660.64/x
  3. Step 3: Cross multiply
    63,955.56x = 88,258.68 × 35,660.64
  4. Step 4: Simplify right side
    63,955.56x = 3,147,361,014.36
  5. Step 5: Solve for x
    x = 3,147,361,014.36/63,955.56
  6. Step 6: Final answer
    x = 49,211.69

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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.