Home / 82,824.80-114,269.08-54,161.24

Finding the Fourth Proportional to 82,824.80, 114,269.08 and 54,161.24

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Solution

The fourth proportional to 82,824.80, 114,269.08 and 54,161.24 is: 74,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,824.80 : 114,269.08 = 54,161.24 : x
  2. Step 2: Convert to fraction form
    82,824.80/114,269.08 = 54,161.24/x
  3. Step 3: Cross multiply
    82,824.80x = 114,269.08 × 54,161.24
  4. Step 4: Simplify right side
    82,824.80x = 6,188,955,066.46
  5. Step 5: Solve for x
    x = 6,188,955,066.46/82,824.80
  6. Step 6: Final answer
    x = 74,723.45

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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.