Home / 84,513.36-126,760.44-22,188.72

Finding the Fourth Proportional to 84,513.36, 126,760.44 and 22,188.72

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Solution

The fourth proportional to 84,513.36, 126,760.44 and 22,188.72 is: 33,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,513.36 : 126,760.44 = 22,188.72 : x
  2. Step 2: Convert to fraction form
    84,513.36/126,760.44 = 22,188.72/x
  3. Step 3: Cross multiply
    84,513.36x = 126,760.44 × 22,188.72
  4. Step 4: Simplify right side
    84,513.36x = 2,812,651,910.24
  5. Step 5: Solve for x
    x = 2,812,651,910.24/84,513.36
  6. Step 6: Final answer
    x = 33,280.56

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1.5x scale

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.