Home / 94,971.92-142,199.33-66,849.80

Finding the Fourth Proportional to 94,971.92, 142,199.33 and 66,849.80

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Solution

The fourth proportional to 94,971.92, 142,199.33 and 66,849.80 is: 100,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,971.92 : 142,199.33 = 66,849.80 : x
  2. Step 2: Convert to fraction form
    94,971.92/142,199.33 = 66,849.80/x
  3. Step 3: Cross multiply
    94,971.92x = 142,199.33 × 66,849.80
  4. Step 4: Simplify right side
    94,971.92x = 9,505,995,725.39
  5. Step 5: Solve for x
    x = 9,505,995,725.39/94,971.92
  6. Step 6: Final answer
    x = 100,092.70

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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.