Home / 82,961.61-124,425.68-23,781.39

Finding the Fourth Proportional to 82,961.61, 124,425.68 and 23,781.39

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Solution

The fourth proportional to 82,961.61, 124,425.68 and 23,781.39 is: 35,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,961.61 : 124,425.68 = 23,781.39 : x
  2. Step 2: Convert to fraction form
    82,961.61/124,425.68 = 23,781.39/x
  3. Step 3: Cross multiply
    82,961.61x = 124,425.68 × 23,781.39
  4. Step 4: Simplify right side
    82,961.61x = 2,959,015,503.19
  5. Step 5: Solve for x
    x = 2,959,015,503.19/82,961.61
  6. Step 6: Final answer
    x = 35,667.29

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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.