Home / 103,190.72-142,404.70-60,169.04

Finding the Fourth Proportional to 103,190.72, 142,404.70 and 60,169.04

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Solution

The fourth proportional to 103,190.72, 142,404.70 and 60,169.04 is: 83,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,190.72 : 142,404.70 = 60,169.04 : x
  2. Step 2: Convert to fraction form
    103,190.72/142,404.70 = 60,169.04/x
  3. Step 3: Cross multiply
    103,190.72x = 142,404.70 × 60,169.04
  4. Step 4: Simplify right side
    103,190.72x = 8,568,354,090.49
  5. Step 5: Solve for x
    x = 8,568,354,090.49/103,190.72
  6. Step 6: Final answer
    x = 83,034.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.