Home / 71,855.28-99,152.72-41,650.08

Finding the Fourth Proportional to 71,855.28, 99,152.72 and 41,650.08

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Solution

The fourth proportional to 71,855.28, 99,152.72 and 41,650.08 is: 57,472.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,855.28 : 99,152.72 = 41,650.08 : x
  2. Step 2: Convert to fraction form
    71,855.28/99,152.72 = 41,650.08/x
  3. Step 3: Cross multiply
    71,855.28x = 99,152.72 × 41,650.08
  4. Step 4: Simplify right side
    71,855.28x = 4,129,718,511.97
  5. Step 5: Solve for x
    x = 4,129,718,511.97/71,855.28
  6. Step 6: Final answer
    x = 57,472.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.