Home / 82,332.12-113,623.56-50,496.68

Finding the Fourth Proportional to 82,332.12, 113,623.56 and 50,496.68

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Solution

The fourth proportional to 82,332.12, 113,623.56 and 50,496.68 is: 69,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,332.12 : 113,623.56 = 50,496.68 : x
  2. Step 2: Convert to fraction form
    82,332.12/113,623.56 = 50,496.68/x
  3. Step 3: Cross multiply
    82,332.12x = 113,623.56 × 50,496.68
  4. Step 4: Simplify right side
    82,332.12x = 5,737,612,549.78
  5. Step 5: Solve for x
    x = 5,737,612,549.78/82,332.12
  6. Step 6: Final answer
    x = 69,688.63

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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.