Home / 75,932.81-113,837.71-31,592.75

Finding the Fourth Proportional to 75,932.81, 113,837.71 and 31,592.75

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Solution

The fourth proportional to 75,932.81, 113,837.71 and 31,592.75 is: 47,363.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,932.81 : 113,837.71 = 31,592.75 : x
  2. Step 2: Convert to fraction form
    75,932.81/113,837.71 = 31,592.75/x
  3. Step 3: Cross multiply
    75,932.81x = 113,837.71 × 31,592.75
  4. Step 4: Simplify right side
    75,932.81x = 3,596,446,526.38
  5. Step 5: Solve for x
    x = 3,596,446,526.38/75,932.81
  6. Step 6: Final answer
    x = 47,363.54

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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.