Home / 79,261.62-118,892.43-26,671.16

Finding the Fourth Proportional to 79,261.62, 118,892.43 and 26,671.16

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Solution

The fourth proportional to 79,261.62, 118,892.43 and 26,671.16 is: 40,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,261.62 : 118,892.43 = 26,671.16 : x
  2. Step 2: Convert to fraction form
    79,261.62/118,892.43 = 26,671.16/x
  3. Step 3: Cross multiply
    79,261.62x = 118,892.43 × 26,671.16
  4. Step 4: Simplify right side
    79,261.62x = 3,170,998,428.86
  5. Step 5: Solve for x
    x = 3,170,998,428.86/79,261.62
  6. Step 6: Final answer
    x = 40,006.73

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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.