Home / 110,968.28-153,136.20-60,667.28

Finding the Fourth Proportional to 110,968.28, 153,136.20 and 60,667.28

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Solution

The fourth proportional to 110,968.28, 153,136.20 and 60,667.28 is: 83,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,968.28 : 153,136.20 = 60,667.28 : x
  2. Step 2: Convert to fraction form
    110,968.28/153,136.20 = 60,667.28/x
  3. Step 3: Cross multiply
    110,968.28x = 153,136.20 × 60,667.28
  4. Step 4: Simplify right side
    110,968.28x = 9,290,356,723.54
  5. Step 5: Solve for x
    x = 9,290,356,723.54/110,968.28
  6. Step 6: Final answer
    x = 83,720.83

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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.