Home / 75,665.83-113,506.43-25,749.43

Finding the Fourth Proportional to 75,665.83, 113,506.43 and 25,749.43

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Solution

The fourth proportional to 75,665.83, 113,506.43 and 25,749.43 is: 38,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,665.83 : 113,506.43 = 25,749.43 : x
  2. Step 2: Convert to fraction form
    75,665.83/113,506.43 = 25,749.43/x
  3. Step 3: Cross multiply
    75,665.83x = 113,506.43 × 25,749.43
  4. Step 4: Simplify right side
    75,665.83x = 2,922,725,873.83
  5. Step 5: Solve for x
    x = 2,922,725,873.83/75,665.83
  6. Step 6: Final answer
    x = 38,626.76

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1.5x scale

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.