Home / 77,750.58-116,621.78-25,155.97

Finding the Fourth Proportional to 77,750.58, 116,621.78 and 25,155.97

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Solution

The fourth proportional to 77,750.58, 116,621.78 and 25,155.97 is: 37,732.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,750.58 : 116,621.78 = 25,155.97 : x
  2. Step 2: Convert to fraction form
    77,750.58/116,621.78 = 25,155.97/x
  3. Step 3: Cross multiply
    77,750.58x = 116,621.78 × 25,155.97
  4. Step 4: Simplify right side
    77,750.58x = 2,933,733,581.69
  5. Step 5: Solve for x
    x = 2,933,733,581.69/77,750.58
  6. Step 6: Final answer
    x = 37,732.62

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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.