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Finding the Fourth Proportional to 88,898.34, 133,369.20 and 26,568.84

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Solution

The fourth proportional to 88,898.34, 133,369.20 and 26,568.84 is: 39,859.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,898.34 : 133,369.20 = 26,568.84 : x
  2. Step 2: Convert to fraction form
    88,898.34/133,369.20 = 26,568.84/x
  3. Step 3: Cross multiply
    88,898.34x = 133,369.20 × 26,568.84
  4. Step 4: Simplify right side
    88,898.34x = 3,543,464,935.73
  5. Step 5: Solve for x
    x = 3,543,464,935.73/88,898.34
  6. Step 6: Final answer
    x = 39,859.74

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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.