Home / 84,693.40-126,867.87-67,962.85

Finding the Fourth Proportional to 84,693.40, 126,867.87 and 67,962.85

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Solution

The fourth proportional to 84,693.40, 126,867.87 and 67,962.85 is: 101,806.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,693.40 : 126,867.87 = 67,962.85 : x
  2. Step 2: Convert to fraction form
    84,693.40/126,867.87 = 67,962.85/x
  3. Step 3: Cross multiply
    84,693.40x = 126,867.87 × 67,962.85
  4. Step 4: Simplify right side
    84,693.40x = 8,622,301,701.46
  5. Step 5: Solve for x
    x = 8,622,301,701.46/84,693.40
  6. Step 6: Final answer
    x = 101,806.07

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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.