Home / 94,975.22-131,665.16-89,919.20

Finding the Fourth Proportional to 94,975.22, 131,665.16 and 89,919.20

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Solution

The fourth proportional to 94,975.22, 131,665.16 and 89,919.20 is: 124,655.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,975.22 : 131,665.16 = 89,919.20 : x
  2. Step 2: Convert to fraction form
    94,975.22/131,665.16 = 89,919.20/x
  3. Step 3: Cross multiply
    94,975.22x = 131,665.16 × 89,919.20
  4. Step 4: Simplify right side
    94,975.22x = 11,839,224,747.15
  5. Step 5: Solve for x
    x = 11,839,224,747.15/94,975.22
  6. Step 6: Final answer
    x = 124,655.94

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.