Home / 75,669.49-113,464.82-28,245.58

Finding the Fourth Proportional to 75,669.49, 113,464.82 and 28,245.58

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Solution

The fourth proportional to 75,669.49, 113,464.82 and 28,245.58 is: 42,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,669.49 : 113,464.82 = 28,245.58 : x
  2. Step 2: Convert to fraction form
    75,669.49/113,464.82 = 28,245.58/x
  3. Step 3: Cross multiply
    75,669.49x = 113,464.82 × 28,245.58
  4. Step 4: Simplify right side
    75,669.49x = 3,204,879,437.45
  5. Step 5: Solve for x
    x = 3,204,879,437.45/75,669.49
  6. Step 6: Final answer
    x = 42,353.65

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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.