Home / 55,941.75-77,199.62-30,791.25

Finding the Fourth Proportional to 55,941.75, 77,199.62 and 30,791.25

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Solution

The fourth proportional to 55,941.75, 77,199.62 and 30,791.25 is: 42,491.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,941.75 : 77,199.62 = 30,791.25 : x
  2. Step 2: Convert to fraction form
    55,941.75/77,199.62 = 30,791.25/x
  3. Step 3: Cross multiply
    55,941.75x = 77,199.62 × 30,791.25
  4. Step 4: Simplify right side
    55,941.75x = 2,377,072,645.37
  5. Step 5: Solve for x
    x = 2,377,072,645.37/55,941.75
  6. Step 6: Final answer
    x = 42,491.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.