Home / 75,076.05-112,642.23-39,029.94

Finding the Fourth Proportional to 75,076.05, 112,642.23 and 39,029.94

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Solution

The fourth proportional to 75,076.05, 112,642.23 and 39,029.94 is: 58,559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,076.05 : 112,642.23 = 39,029.94 : x
  2. Step 2: Convert to fraction form
    75,076.05/112,642.23 = 39,029.94/x
  3. Step 3: Cross multiply
    75,076.05x = 112,642.23 × 39,029.94
  4. Step 4: Simplify right side
    75,076.05x = 4,396,419,478.37
  5. Step 5: Solve for x
    x = 4,396,419,478.37/75,076.05
  6. Step 6: Final answer
    x = 58,559.55

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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.