Home / 85,845.75-118,474.44-48,127.29

Finding the Fourth Proportional to 85,845.75, 118,474.44 and 48,127.29

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Solution

The fourth proportional to 85,845.75, 118,474.44 and 48,127.29 is: 66,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,845.75 : 118,474.44 = 48,127.29 : x
  2. Step 2: Convert to fraction form
    85,845.75/118,474.44 = 48,127.29/x
  3. Step 3: Cross multiply
    85,845.75x = 118,474.44 × 48,127.29
  4. Step 4: Simplify right side
    85,845.75x = 5,701,853,731.47
  5. Step 5: Solve for x
    x = 5,701,853,731.47/85,845.75
  6. Step 6: Final answer
    x = 66,419.76

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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.