Home / 75,626.35-113,458.20-31,265.79

Finding the Fourth Proportional to 75,626.35, 113,458.20 and 31,265.79

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Solution

The fourth proportional to 75,626.35, 113,458.20 and 31,265.79 is: 46,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,626.35 : 113,458.20 = 31,265.79 : x
  2. Step 2: Convert to fraction form
    75,626.35/113,458.20 = 31,265.79/x
  3. Step 3: Cross multiply
    75,626.35x = 113,458.20 × 31,265.79
  4. Step 4: Simplify right side
    75,626.35x = 3,547,360,254.98
  5. Step 5: Solve for x
    x = 3,547,360,254.98/75,626.35
  6. Step 6: Final answer
    x = 46,906.41

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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.