Home / 37,106.11-55,653.79-12,147.15

Finding the Fourth Proportional to 37,106.11, 55,653.79 and 12,147.15

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Solution

The fourth proportional to 37,106.11, 55,653.79 and 12,147.15 is: 18,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,106.11 : 55,653.79 = 12,147.15 : x
  2. Step 2: Convert to fraction form
    37,106.11/55,653.79 = 12,147.15/x
  3. Step 3: Cross multiply
    37,106.11x = 55,653.79 × 12,147.15
  4. Step 4: Simplify right side
    37,106.11x = 676,034,935.20
  5. Step 5: Solve for x
    x = 676,034,935.20/37,106.11
  6. Step 6: Final answer
    x = 18,218.97

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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.