Home / 75,736.80-113,605.20-25,800.30

Finding the Fourth Proportional to 75,736.80, 113,605.20 and 25,800.30

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Solution

The fourth proportional to 75,736.80, 113,605.20 and 25,800.30 is: 38,700.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,736.80 : 113,605.20 = 25,800.30 : x
  2. Step 2: Convert to fraction form
    75,736.80/113,605.20 = 25,800.30/x
  3. Step 3: Cross multiply
    75,736.80x = 113,605.20 × 25,800.30
  4. Step 4: Simplify right side
    75,736.80x = 2,931,048,241.56
  5. Step 5: Solve for x
    x = 2,931,048,241.56/75,736.80
  6. Step 6: Final answer
    x = 38,700.45

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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.