Home / 56,370.67-77,791.66-31,220.17

Finding the Fourth Proportional to 56,370.67, 77,791.66 and 31,220.17

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Solution

The fourth proportional to 56,370.67, 77,791.66 and 31,220.17 is: 43,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,370.67 : 77,791.66 = 31,220.17 : x
  2. Step 2: Convert to fraction form
    56,370.67/77,791.66 = 31,220.17/x
  3. Step 3: Cross multiply
    56,370.67x = 77,791.66 × 31,220.17
  4. Step 4: Simplify right side
    56,370.67x = 2,428,668,577.25
  5. Step 5: Solve for x
    x = 2,428,668,577.25/56,370.67
  6. Step 6: Final answer
    x = 43,083.91

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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.