Home / 75,330.68-103,956.01-41,339.72

Finding the Fourth Proportional to 75,330.68, 103,956.01 and 41,339.72

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Solution

The fourth proportional to 75,330.68, 103,956.01 and 41,339.72 is: 57,048.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,330.68 : 103,956.01 = 41,339.72 : x
  2. Step 2: Convert to fraction form
    75,330.68/103,956.01 = 41,339.72/x
  3. Step 3: Cross multiply
    75,330.68x = 103,956.01 × 41,339.72
  4. Step 4: Simplify right side
    75,330.68x = 4,297,511,722.59
  5. Step 5: Solve for x
    x = 4,297,511,722.59/75,330.68
  6. Step 6: Final answer
    x = 57,048.63

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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.