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Finding the Fourth Proportional to 65,884.84, 98,845.71 and 26,469.63

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Solution

The fourth proportional to 65,884.84, 98,845.71 and 26,469.63 is: 39,711.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,884.84 : 98,845.71 = 26,469.63 : x
  2. Step 2: Convert to fraction form
    65,884.84/98,845.71 = 26,469.63/x
  3. Step 3: Cross multiply
    65,884.84x = 98,845.71 × 26,469.63
  4. Step 4: Simplify right side
    65,884.84x = 2,616,409,684.08
  5. Step 5: Solve for x
    x = 2,616,409,684.08/65,884.84
  6. Step 6: Final answer
    x = 39,711.86

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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.