Home / 75,496.84-113,288.94-31,115.32

Finding the Fourth Proportional to 75,496.84, 113,288.94 and 31,115.32

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Solution

The fourth proportional to 75,496.84, 113,288.94 and 31,115.32 is: 46,690.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,496.84 : 113,288.94 = 31,115.32 : x
  2. Step 2: Convert to fraction form
    75,496.84/113,288.94 = 31,115.32/x
  3. Step 3: Cross multiply
    75,496.84x = 113,288.94 × 31,115.32
  4. Step 4: Simplify right side
    75,496.84x = 3,525,021,620.56
  5. Step 5: Solve for x
    x = 3,525,021,620.56/75,496.84
  6. Step 6: Final answer
    x = 46,690.98

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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.