Home / 68,190.03-94,224.29-53,121.60

Finding the Fourth Proportional to 68,190.03, 94,224.29 and 53,121.60

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Solution

The fourth proportional to 68,190.03, 94,224.29 and 53,121.60 is: 73,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,190.03 : 94,224.29 = 53,121.60 : x
  2. Step 2: Convert to fraction form
    68,190.03/94,224.29 = 53,121.60/x
  3. Step 3: Cross multiply
    68,190.03x = 94,224.29 × 53,121.60
  4. Step 4: Simplify right side
    68,190.03x = 5,005,344,778.06
  5. Step 5: Solve for x
    x = 5,005,344,778.06/68,190.03
  6. Step 6: Final answer
    x = 73,402.88

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1.5x scale

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.