Home / 82,811.22-114,294.38-48,817.68

Finding the Fourth Proportional to 82,811.22, 114,294.38 and 48,817.68

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Solution

The fourth proportional to 82,811.22, 114,294.38 and 48,817.68 is: 67,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,811.22 : 114,294.38 = 48,817.68 : x
  2. Step 2: Convert to fraction form
    82,811.22/114,294.38 = 48,817.68/x
  3. Step 3: Cross multiply
    82,811.22x = 114,294.38 × 48,817.68
  4. Step 4: Simplify right side
    82,811.22x = 5,579,586,224.55
  5. Step 5: Solve for x
    x = 5,579,586,224.55/82,811.22
  6. Step 6: Final answer
    x = 67,377.18

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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.