Home / 84,273.46-126,361.29-39,899.84

Finding the Fourth Proportional to 84,273.46, 126,361.29 and 39,899.84

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Solution

The fourth proportional to 84,273.46, 126,361.29 and 39,899.84 is: 59,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,273.46 : 126,361.29 = 39,899.84 : x
  2. Step 2: Convert to fraction form
    84,273.46/126,361.29 = 39,899.84/x
  3. Step 3: Cross multiply
    84,273.46x = 126,361.29 × 39,899.84
  4. Step 4: Simplify right side
    84,273.46x = 5,041,795,253.19
  5. Step 5: Solve for x
    x = 5,041,795,253.19/84,273.46
  6. Step 6: Final answer
    x = 59,826.61

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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.