Home / 107,464.35-161,186.63-36,378.87

Finding the Fourth Proportional to 107,464.35, 161,186.63 and 36,378.87

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Solution

The fourth proportional to 107,464.35, 161,186.63 and 36,378.87 is: 54,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,464.35 : 161,186.63 = 36,378.87 : x
  2. Step 2: Convert to fraction form
    107,464.35/161,186.63 = 36,378.87/x
  3. Step 3: Cross multiply
    107,464.35x = 161,186.63 × 36,378.87
  4. Step 4: Simplify right side
    107,464.35x = 5,863,787,276.61
  5. Step 5: Solve for x
    x = 5,863,787,276.61/107,464.35
  6. Step 6: Final answer
    x = 54,564.95

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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.