Home / 75,625.09-113,488.44-31,251.77

Finding the Fourth Proportional to 75,625.09, 113,488.44 and 31,251.77

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Solution

The fourth proportional to 75,625.09, 113,488.44 and 31,251.77 is: 46,898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,625.09 : 113,488.44 = 31,251.77 : x
  2. Step 2: Convert to fraction form
    75,625.09/113,488.44 = 31,251.77/x
  3. Step 3: Cross multiply
    75,625.09x = 113,488.44 × 31,251.77
  4. Step 4: Simplify right side
    75,625.09x = 3,546,715,179.65
  5. Step 5: Solve for x
    x = 3,546,715,179.65/75,625.09
  6. Step 6: Final answer
    x = 46,898.66

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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.