Home / 77,281.14-115,964.78-41,741.74

Finding the Fourth Proportional to 77,281.14, 115,964.78 and 41,741.74

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Solution

The fourth proportional to 77,281.14, 115,964.78 and 41,741.74 is: 62,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,281.14 : 115,964.78 = 41,741.74 : x
  2. Step 2: Convert to fraction form
    77,281.14/115,964.78 = 41,741.74/x
  3. Step 3: Cross multiply
    77,281.14x = 115,964.78 × 41,741.74
  4. Step 4: Simplify right side
    77,281.14x = 4,840,571,695.92
  5. Step 5: Solve for x
    x = 4,840,571,695.92/77,281.14
  6. Step 6: Final answer
    x = 62,635.87

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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.