Home / 77,633.33-116,366.94-40,155.66

Finding the Fourth Proportional to 77,633.33, 116,366.94 and 40,155.66

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Solution

The fourth proportional to 77,633.33, 116,366.94 and 40,155.66 is: 60,190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,633.33 : 116,366.94 = 40,155.66 : x
  2. Step 2: Convert to fraction form
    77,633.33/116,366.94 = 40,155.66/x
  3. Step 3: Cross multiply
    77,633.33x = 116,366.94 × 40,155.66
  4. Step 4: Simplify right side
    77,633.33x = 4,672,791,277.88
  5. Step 5: Solve for x
    x = 4,672,791,277.88/77,633.33
  6. Step 6: Final answer
    x = 60,190.53

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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.