Home / 75,426.23-113,132.42-25,506.76

Finding the Fourth Proportional to 75,426.23, 113,132.42 and 25,506.76

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Solution

The fourth proportional to 75,426.23, 113,132.42 and 25,506.76 is: 38,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,426.23 : 113,132.42 = 25,506.76 : x
  2. Step 2: Convert to fraction form
    75,426.23/113,132.42 = 25,506.76/x
  3. Step 3: Cross multiply
    75,426.23x = 113,132.42 × 25,506.76
  4. Step 4: Simplify right side
    75,426.23x = 2,885,640,983.26
  5. Step 5: Solve for x
    x = 2,885,640,983.26/75,426.23
  6. Step 6: Final answer
    x = 38,257.79

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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.