Home / 75,478.84-113,249.01-38,049.70

Finding the Fourth Proportional to 75,478.84, 113,249.01 and 38,049.70

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Solution

The fourth proportional to 75,478.84, 113,249.01 and 38,049.70 is: 57,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,478.84 : 113,249.01 = 38,049.70 : x
  2. Step 2: Convert to fraction form
    75,478.84/113,249.01 = 38,049.70/x
  3. Step 3: Cross multiply
    75,478.84x = 113,249.01 × 38,049.70
  4. Step 4: Simplify right side
    75,478.84x = 4,309,090,820.69
  5. Step 5: Solve for x
    x = 4,309,090,820.69/75,478.84
  6. Step 6: Final answer
    x = 57,090.05

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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.