Home / 82,305.64-113,593.82-48,332.72

Finding the Fourth Proportional to 82,305.64, 113,593.82 and 48,332.72

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Solution

The fourth proportional to 82,305.64, 113,593.82 and 48,332.72 is: 66,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,305.64 : 113,593.82 = 48,332.72 : x
  2. Step 2: Convert to fraction form
    82,305.64/113,593.82 = 48,332.72/x
  3. Step 3: Cross multiply
    82,305.64x = 113,593.82 × 48,332.72
  4. Step 4: Simplify right side
    82,305.64x = 5,490,298,295.79
  5. Step 5: Solve for x
    x = 5,490,298,295.79/82,305.64
  6. Step 6: Final answer
    x = 66,706.22

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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.