Home / 91,260.06-136,956.33-51,850.14

Finding the Fourth Proportional to 91,260.06, 136,956.33 and 51,850.14

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Solution

The fourth proportional to 91,260.06, 136,956.33 and 51,850.14 is: 77,812.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,260.06 : 136,956.33 = 51,850.14 : x
  2. Step 2: Convert to fraction form
    91,260.06/136,956.33 = 51,850.14/x
  3. Step 3: Cross multiply
    91,260.06x = 136,956.33 × 51,850.14
  4. Step 4: Simplify right side
    91,260.06x = 7,101,204,884.39
  5. Step 5: Solve for x
    x = 7,101,204,884.39/91,260.06
  6. Step 6: Final answer
    x = 77,812.84

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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.