Home / 61,896.18-85,459.26-41,781.24

Finding the Fourth Proportional to 61,896.18, 85,459.26 and 41,781.24

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Solution

The fourth proportional to 61,896.18, 85,459.26 and 41,781.24 is: 57,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,896.18 : 85,459.26 = 41,781.24 : x
  2. Step 2: Convert to fraction form
    61,896.18/85,459.26 = 41,781.24/x
  3. Step 3: Cross multiply
    61,896.18x = 85,459.26 × 41,781.24
  4. Step 4: Simplify right side
    61,896.18x = 3,570,593,852.28
  5. Step 5: Solve for x
    x = 3,570,593,852.28/61,896.18
  6. Step 6: Final answer
    x = 57,686.82

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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.