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Finding the Fourth Proportional to 63,811.76, 88,060.22 and 35,516.84

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Solution

The fourth proportional to 63,811.76, 88,060.22 and 35,516.84 is: 49,013.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,811.76 : 88,060.22 = 35,516.84 : x
  2. Step 2: Convert to fraction form
    63,811.76/88,060.22 = 35,516.84/x
  3. Step 3: Cross multiply
    63,811.76x = 88,060.22 × 35,516.84
  4. Step 4: Simplify right side
    63,811.76x = 3,127,620,744.10
  5. Step 5: Solve for x
    x = 3,127,620,744.10/63,811.76
  6. Step 6: Final answer
    x = 49,013.23

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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.