Home / 85,991.06-118,757.76-59,202.74

Finding the Fourth Proportional to 85,991.06, 118,757.76 and 59,202.74

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Solution

The fourth proportional to 85,991.06, 118,757.76 and 59,202.74 is: 81,761.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,991.06 : 118,757.76 = 59,202.74 : x
  2. Step 2: Convert to fraction form
    85,991.06/118,757.76 = 59,202.74/x
  3. Step 3: Cross multiply
    85,991.06x = 118,757.76 × 59,202.74
  4. Step 4: Simplify right side
    85,991.06x = 7,030,784,788.26
  5. Step 5: Solve for x
    x = 7,030,784,788.26/85,991.06
  6. Step 6: Final answer
    x = 81,761.81

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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.