Home / 75,958.68-113,876.31-31,618.62

Finding the Fourth Proportional to 75,958.68, 113,876.31 and 31,618.62

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Solution

The fourth proportional to 75,958.68, 113,876.31 and 31,618.62 is: 47,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,958.68 : 113,876.31 = 31,618.62 : x
  2. Step 2: Convert to fraction form
    75,958.68/113,876.31 = 31,618.62/x
  3. Step 3: Cross multiply
    75,958.68x = 113,876.31 × 31,618.62
  4. Step 4: Simplify right side
    75,958.68x = 3,600,611,772.89
  5. Step 5: Solve for x
    x = 3,600,611,772.89/75,958.68
  6. Step 6: Final answer
    x = 47,402.24

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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.