Home / 61,712.39-85,163.49-33,418.07

Finding the Fourth Proportional to 61,712.39, 85,163.49 and 33,418.07

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Solution

The fourth proportional to 61,712.39, 85,163.49 and 33,418.07 is: 46,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,712.39 : 85,163.49 = 33,418.07 : x
  2. Step 2: Convert to fraction form
    61,712.39/85,163.49 = 33,418.07/x
  3. Step 3: Cross multiply
    61,712.39x = 85,163.49 × 33,418.07
  4. Step 4: Simplify right side
    61,712.39x = 2,845,999,044.45
  5. Step 5: Solve for x
    x = 2,845,999,044.45/61,712.39
  6. Step 6: Final answer
    x = 46,117.15

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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.