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Finding the Fourth Proportional to 67,516.96, 101,244.64 and 28,050.52

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Solution

The fourth proportional to 67,516.96, 101,244.64 and 28,050.52 is: 42,062.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,516.96 : 101,244.64 = 28,050.52 : x
  2. Step 2: Convert to fraction form
    67,516.96/101,244.64 = 28,050.52/x
  3. Step 3: Cross multiply
    67,516.96x = 101,244.64 × 28,050.52
  4. Step 4: Simplify right side
    67,516.96x = 2,839,964,799.21
  5. Step 5: Solve for x
    x = 2,839,964,799.21/67,516.96
  6. Step 6: Final answer
    x = 42,062.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.