Home / 61,910.82-85,434.75-33,615.90

Finding the Fourth Proportional to 61,910.82, 85,434.75 and 33,615.90

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Solution

The fourth proportional to 61,910.82, 85,434.75 and 33,615.90 is: 46,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,910.82 : 85,434.75 = 33,615.90 : x
  2. Step 2: Convert to fraction form
    61,910.82/85,434.75 = 33,615.90/x
  3. Step 3: Cross multiply
    61,910.82x = 85,434.75 × 33,615.90
  4. Step 4: Simplify right side
    61,910.82x = 2,871,966,012.53
  5. Step 5: Solve for x
    x = 2,871,966,012.53/61,910.82
  6. Step 6: Final answer
    x = 46,388.76

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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.