Home / 82,795.39-114,039.99-63,638.53

Finding the Fourth Proportional to 82,795.39, 114,039.99 and 63,638.53

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Solution

The fourth proportional to 82,795.39, 114,039.99 and 63,638.53 is: 87,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,795.39 : 114,039.99 = 63,638.53 : x
  2. Step 2: Convert to fraction form
    82,795.39/114,039.99 = 63,638.53/x
  3. Step 3: Cross multiply
    82,795.39x = 114,039.99 × 63,638.53
  4. Step 4: Simplify right side
    82,795.39x = 7,257,337,324.81
  5. Step 5: Solve for x
    x = 7,257,337,324.81/82,795.39
  6. Step 6: Final answer
    x = 87,653.88

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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.