Home / 75,935.89-113,912.96-31,592.65

Finding the Fourth Proportional to 75,935.89, 113,912.96 and 31,592.65

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Solution

The fourth proportional to 75,935.89, 113,912.96 and 31,592.65 is: 47,392.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,935.89 : 113,912.96 = 31,592.65 : x
  2. Step 2: Convert to fraction form
    75,935.89/113,912.96 = 31,592.65/x
  3. Step 3: Cross multiply
    75,935.89x = 113,912.96 × 31,592.65
  4. Step 4: Simplify right side
    75,935.89x = 3,598,812,117.78
  5. Step 5: Solve for x
    x = 3,598,812,117.78/75,935.89
  6. Step 6: Final answer
    x = 47,392.77

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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.