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Finding the Fourth Proportional to 79,644.51, 119,483.82 and 26,333.64

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Solution

The fourth proportional to 79,644.51, 119,483.82 and 26,333.64 is: 39,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,644.51 : 119,483.82 = 26,333.64 : x
  2. Step 2: Convert to fraction form
    79,644.51/119,483.82 = 26,333.64/x
  3. Step 3: Cross multiply
    79,644.51x = 119,483.82 × 26,333.64
  4. Step 4: Simplify right side
    79,644.51x = 3,146,443,901.70
  5. Step 5: Solve for x
    x = 3,146,443,901.70/79,644.51
  6. Step 6: Final answer
    x = 39,506.10

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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.