Home / 63,911.24-95,871.72-21,778.28

Finding the Fourth Proportional to 63,911.24, 95,871.72 and 21,778.28

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Solution

The fourth proportional to 63,911.24, 95,871.72 and 21,778.28 is: 32,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,911.24 : 95,871.72 = 21,778.28 : x
  2. Step 2: Convert to fraction form
    63,911.24/95,871.72 = 21,778.28/x
  3. Step 3: Cross multiply
    63,911.24x = 95,871.72 × 21,778.28
  4. Step 4: Simplify right side
    63,911.24x = 2,087,921,162.24
  5. Step 5: Solve for x
    x = 2,087,921,162.24/63,911.24
  6. Step 6: Final answer
    x = 32,669.08

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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.