Home / 327,724-491,612.67-91,066.69

Finding the Fourth Proportional to 327,724, 491,612.67 and 91,066.69

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Solution

The fourth proportional to 327,724, 491,612.67 and 91,066.69 is: 136,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,724 : 491,612.67 = 91,066.69 : x
  2. Step 2: Convert to fraction form
    327,724/491,612.67 = 91,066.69/x
  3. Step 3: Cross multiply
    327,724x = 491,612.67 × 91,066.69
  4. Step 4: Simplify right side
    327,724x = 44,769,538,618.96
  5. Step 5: Solve for x
    x = 44,769,538,618.96/327,724
  6. Step 6: Final answer
    x = 136,607.45

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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.