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Finding the Fourth Proportional to 79,009, 118,513.51 and 23,605

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Solution

The fourth proportional to 79,009, 118,513.51 and 23,605 is: 35,407.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,009 : 118,513.51 = 23,605 : x
  2. Step 2: Convert to fraction form
    79,009/118,513.51 = 23,605/x
  3. Step 3: Cross multiply
    79,009x = 118,513.51 × 23,605
  4. Step 4: Simplify right side
    79,009x = 2,797,511,403.55
  5. Step 5: Solve for x
    x = 2,797,511,403.55/79,009
  6. Step 6: Final answer
    x = 35,407.50

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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.