Home / 91,997.16-137,700.27-61,956.06

Finding the Fourth Proportional to 91,997.16, 137,700.27 and 61,956.06

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Solution

The fourth proportional to 91,997.16, 137,700.27 and 61,956.06 is: 92,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,997.16 : 137,700.27 = 61,956.06 : x
  2. Step 2: Convert to fraction form
    91,997.16/137,700.27 = 61,956.06/x
  3. Step 3: Cross multiply
    91,997.16x = 137,700.27 × 61,956.06
  4. Step 4: Simplify right side
    91,997.16x = 8,531,366,190.14
  5. Step 5: Solve for x
    x = 8,531,366,190.14/91,997.16
  6. Step 6: Final answer
    x = 92,735.10

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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.