Home / 75,438.45-113,169.93-25,521.59

Finding the Fourth Proportional to 75,438.45, 113,169.93 and 25,521.59

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Solution

The fourth proportional to 75,438.45, 113,169.93 and 25,521.59 is: 38,286.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,438.45 : 113,169.93 = 25,521.59 : x
  2. Step 2: Convert to fraction form
    75,438.45/113,169.93 = 25,521.59/x
  3. Step 3: Cross multiply
    75,438.45x = 113,169.93 × 25,521.59
  4. Step 4: Simplify right side
    75,438.45x = 2,888,276,207.06
  5. Step 5: Solve for x
    x = 2,888,276,207.06/75,438.45
  6. Step 6: Final answer
    x = 38,286.53

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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.