Home / 67,190.09-92,719.99-36,972.58

Finding the Fourth Proportional to 67,190.09, 92,719.99 and 36,972.58

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Solution

The fourth proportional to 67,190.09, 92,719.99 and 36,972.58 is: 51,020.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,190.09 : 92,719.99 = 36,972.58 : x
  2. Step 2: Convert to fraction form
    67,190.09/92,719.99 = 36,972.58/x
  3. Step 3: Cross multiply
    67,190.09x = 92,719.99 × 36,972.58
  4. Step 4: Simplify right side
    67,190.09x = 3,428,097,247.87
  5. Step 5: Solve for x
    x = 3,428,097,247.87/67,190.09
  6. Step 6: Final answer
    x = 51,020.88

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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.