Home / 84,532.33-126,806.96-31,238.30

Finding the Fourth Proportional to 84,532.33, 126,806.96 and 31,238.30

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Solution

The fourth proportional to 84,532.33, 126,806.96 and 31,238.30 is: 46,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,532.33 : 126,806.96 = 31,238.30 : x
  2. Step 2: Convert to fraction form
    84,532.33/126,806.96 = 31,238.30/x
  3. Step 3: Cross multiply
    84,532.33x = 126,806.96 × 31,238.30
  4. Step 4: Simplify right side
    84,532.33x = 3,961,234,444.94
  5. Step 5: Solve for x
    x = 3,961,234,444.94/84,532.33
  6. Step 6: Final answer
    x = 46,860.58

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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.