Home / 75,958.08-113,902.49-31,558.34

Finding the Fourth Proportional to 75,958.08, 113,902.49 and 31,558.34

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Solution

The fourth proportional to 75,958.08, 113,902.49 and 31,558.34 is: 47,323.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,958.08 : 113,902.49 = 31,558.34 : x
  2. Step 2: Convert to fraction form
    75,958.08/113,902.49 = 31,558.34/x
  3. Step 3: Cross multiply
    75,958.08x = 113,902.49 × 31,558.34
  4. Step 4: Simplify right side
    75,958.08x = 3,594,573,015.65
  5. Step 5: Solve for x
    x = 3,594,573,015.65/75,958.08
  6. Step 6: Final answer
    x = 47,323.12

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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.