Home / 84,737.49-126,951.31-39,676.17

Finding the Fourth Proportional to 84,737.49, 126,951.31 and 39,676.17

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Solution

The fourth proportional to 84,737.49, 126,951.31 and 39,676.17 is: 59,441.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,737.49 : 126,951.31 = 39,676.17 : x
  2. Step 2: Convert to fraction form
    84,737.49/126,951.31 = 39,676.17/x
  3. Step 3: Cross multiply
    84,737.49x = 126,951.31 × 39,676.17
  4. Step 4: Simplify right side
    84,737.49x = 5,036,941,757.28
  5. Step 5: Solve for x
    x = 5,036,941,757.28/84,737.49
  6. Step 6: Final answer
    x = 59,441.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.