Home / 92,639.68-138,959.52-26,086.56

Finding the Fourth Proportional to 92,639.68, 138,959.52 and 26,086.56

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Solution

The fourth proportional to 92,639.68, 138,959.52 and 26,086.56 is: 39,129.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,639.68 : 138,959.52 = 26,086.56 : x
  2. Step 2: Convert to fraction form
    92,639.68/138,959.52 = 26,086.56/x
  3. Step 3: Cross multiply
    92,639.68x = 138,959.52 × 26,086.56
  4. Step 4: Simplify right side
    92,639.68x = 3,624,975,856.05
  5. Step 5: Solve for x
    x = 3,624,975,856.05/92,639.68
  6. Step 6: Final answer
    x = 39,129.84

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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.