Home / 77,856.38-116,725.70-32,891.66

Finding the Fourth Proportional to 77,856.38, 116,725.70 and 32,891.66

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Solution

The fourth proportional to 77,856.38, 116,725.70 and 32,891.66 is: 49,312.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,856.38 : 116,725.70 = 32,891.66 : x
  2. Step 2: Convert to fraction form
    77,856.38/116,725.70 = 32,891.66/x
  3. Step 3: Cross multiply
    77,856.38x = 116,725.70 × 32,891.66
  4. Step 4: Simplify right side
    77,856.38x = 3,839,302,037.66
  5. Step 5: Solve for x
    x = 3,839,302,037.66/77,856.38
  6. Step 6: Final answer
    x = 49,312.62

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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.