Home / 85,896.36-118,536.75-48,171.42

Finding the Fourth Proportional to 85,896.36, 118,536.75 and 48,171.42

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Solution

The fourth proportional to 85,896.36, 118,536.75 and 48,171.42 is: 66,476.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,896.36 : 118,536.75 = 48,171.42 : x
  2. Step 2: Convert to fraction form
    85,896.36/118,536.75 = 48,171.42/x
  3. Step 3: Cross multiply
    85,896.36x = 118,536.75 × 48,171.42
  4. Step 4: Simplify right side
    85,896.36x = 5,710,083,569.69
  5. Step 5: Solve for x
    x = 5,710,083,569.69/85,896.36
  6. Step 6: Final answer
    x = 66,476.43

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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.