Home / 85,581.11-118,092.84-47,334.58

Finding the Fourth Proportional to 85,581.11, 118,092.84 and 47,334.58

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Solution

The fourth proportional to 85,581.11, 118,092.84 and 47,334.58 is: 65,316.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,581.11 : 118,092.84 = 47,334.58 : x
  2. Step 2: Convert to fraction form
    85,581.11/118,092.84 = 47,334.58/x
  3. Step 3: Cross multiply
    85,581.11x = 118,092.84 × 47,334.58
  4. Step 4: Simplify right side
    85,581.11x = 5,589,874,982.41
  5. Step 5: Solve for x
    x = 5,589,874,982.41/85,581.11
  6. Step 6: Final answer
    x = 65,316.69

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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.