Home / 75,739.80-113,609.70-25,803.30

Finding the Fourth Proportional to 75,739.80, 113,609.70 and 25,803.30

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Solution

The fourth proportional to 75,739.80, 113,609.70 and 25,803.30 is: 38,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,739.80 : 113,609.70 = 25,803.30 : x
  2. Step 2: Convert to fraction form
    75,739.80/113,609.70 = 25,803.30/x
  3. Step 3: Cross multiply
    75,739.80x = 113,609.70 × 25,803.30
  4. Step 4: Simplify right side
    75,739.80x = 2,931,505,172.01
  5. Step 5: Solve for x
    x = 2,931,505,172.01/75,739.80
  6. Step 6: Final answer
    x = 38,704.95

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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.