Home / 77,791.41-116,588.70-49,700.61

Finding the Fourth Proportional to 77,791.41, 116,588.70 and 49,700.61

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Solution

The fourth proportional to 77,791.41, 116,588.70 and 49,700.61 is: 74,488.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,791.41 : 116,588.70 = 49,700.61 : x
  2. Step 2: Convert to fraction form
    77,791.41/116,588.70 = 49,700.61/x
  3. Step 3: Cross multiply
    77,791.41x = 116,588.70 × 49,700.61
  4. Step 4: Simplify right side
    77,791.41x = 5,794,529,509.11
  5. Step 5: Solve for x
    x = 5,794,529,509.11/77,791.41
  6. Step 6: Final answer
    x = 74,488.04

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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.