Home / 75,660.39-113,491.50-25,741.51

Finding the Fourth Proportional to 75,660.39, 113,491.50 and 25,741.51

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Solution

The fourth proportional to 75,660.39, 113,491.50 and 25,741.51 is: 38,612.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,660.39 : 113,491.50 = 25,741.51 : x
  2. Step 2: Convert to fraction form
    75,660.39/113,491.50 = 25,741.51/x
  3. Step 3: Cross multiply
    75,660.39x = 113,491.50 × 25,741.51
  4. Step 4: Simplify right side
    75,660.39x = 2,921,442,298.44
  5. Step 5: Solve for x
    x = 2,921,442,298.44/75,660.39
  6. Step 6: Final answer
    x = 38,612.57

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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.