Home / 86,083.08-118,761.36-63,475.56

Finding the Fourth Proportional to 86,083.08, 118,761.36 and 63,475.56

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Solution

The fourth proportional to 86,083.08, 118,761.36 and 63,475.56 is: 87,571.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,083.08 : 118,761.36 = 63,475.56 : x
  2. Step 2: Convert to fraction form
    86,083.08/118,761.36 = 63,475.56/x
  3. Step 3: Cross multiply
    86,083.08x = 118,761.36 × 63,475.56
  4. Step 4: Simplify right side
    86,083.08x = 7,538,443,832.36
  5. Step 5: Solve for x
    x = 7,538,443,832.36/86,083.08
  6. Step 6: Final answer
    x = 87,571.73

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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.