Home / 75,937.26-113,928.03-31,555.74

Finding the Fourth Proportional to 75,937.26, 113,928.03 and 31,555.74

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Solution

The fourth proportional to 75,937.26, 113,928.03 and 31,555.74 is: 47,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,937.26 : 113,928.03 = 31,555.74 : x
  2. Step 2: Convert to fraction form
    75,937.26/113,928.03 = 31,555.74/x
  3. Step 3: Cross multiply
    75,937.26x = 113,928.03 × 31,555.74
  4. Step 4: Simplify right side
    75,937.26x = 3,595,083,293.39
  5. Step 5: Solve for x
    x = 3,595,083,293.39/75,937.26
  6. Step 6: Final answer
    x = 47,342.81

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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.