Home / 67,965.48-101,948.22-21,222.36

Finding the Fourth Proportional to 67,965.48, 101,948.22 and 21,222.36

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Solution

The fourth proportional to 67,965.48, 101,948.22 and 21,222.36 is: 31,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,965.48 : 101,948.22 = 21,222.36 : x
  2. Step 2: Convert to fraction form
    67,965.48/101,948.22 = 21,222.36/x
  3. Step 3: Cross multiply
    67,965.48x = 101,948.22 × 21,222.36
  4. Step 4: Simplify right side
    67,965.48x = 2,163,581,826.20
  5. Step 5: Solve for x
    x = 2,163,581,826.20/67,965.48
  6. Step 6: Final answer
    x = 31,833.54

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Similar ratio
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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.