Home / 75,680.69-113,530.45-25,756.95

Finding the Fourth Proportional to 75,680.69, 113,530.45 and 25,756.95

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Solution

The fourth proportional to 75,680.69, 113,530.45 and 25,756.95 is: 38,638.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,680.69 : 113,530.45 = 25,756.95 : x
  2. Step 2: Convert to fraction form
    75,680.69/113,530.45 = 25,756.95/x
  3. Step 3: Cross multiply
    75,680.69x = 113,530.45 × 25,756.95
  4. Step 4: Simplify right side
    75,680.69x = 2,924,197,620.87
  5. Step 5: Solve for x
    x = 2,924,197,620.87/75,680.69
  6. Step 6: Final answer
    x = 38,638.63

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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.