Home / 82,872.72-114,364.40-45,146.97

Finding the Fourth Proportional to 82,872.72, 114,364.40 and 45,146.97

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Solution

The fourth proportional to 82,872.72, 114,364.40 and 45,146.97 is: 62,302.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,872.72 : 114,364.40 = 45,146.97 : x
  2. Step 2: Convert to fraction form
    82,872.72/114,364.40 = 45,146.97/x
  3. Step 3: Cross multiply
    82,872.72x = 114,364.40 × 45,146.97
  4. Step 4: Simplify right side
    82,872.72x = 5,163,205,910.13
  5. Step 5: Solve for x
    x = 5,163,205,910.13/82,872.72
  6. Step 6: Final answer
    x = 62,302.84

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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.