Home / 84,277.96-126,142.62-62,082.60

Finding the Fourth Proportional to 84,277.96, 126,142.62 and 62,082.60

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Solution

The fourth proportional to 84,277.96, 126,142.62 and 62,082.60 is: 92,921.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,277.96 : 126,142.62 = 62,082.60 : x
  2. Step 2: Convert to fraction form
    84,277.96/126,142.62 = 62,082.60/x
  3. Step 3: Cross multiply
    84,277.96x = 126,142.62 × 62,082.60
  4. Step 4: Simplify right side
    84,277.96x = 7,831,261,820.41
  5. Step 5: Solve for x
    x = 7,831,261,820.41/84,277.96
  6. Step 6: Final answer
    x = 92,921.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.