Home / 91,186.23-137,019.89-49,097.43

Finding the Fourth Proportional to 91,186.23, 137,019.89 and 49,097.43

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Solution

The fourth proportional to 91,186.23, 137,019.89 and 49,097.43 is: 73,775.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,186.23 : 137,019.89 = 49,097.43 : x
  2. Step 2: Convert to fraction form
    91,186.23/137,019.89 = 49,097.43/x
  3. Step 3: Cross multiply
    91,186.23x = 137,019.89 × 49,097.43
  4. Step 4: Simplify right side
    91,186.23x = 6,727,324,212.40
  5. Step 5: Solve for x
    x = 6,727,324,212.40/91,186.23
  6. Step 6: Final answer
    x = 73,775.66

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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.