Home / 63,778.45-95,681.52-19,404.05

Finding the Fourth Proportional to 63,778.45, 95,681.52 and 19,404.05

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Solution

The fourth proportional to 63,778.45, 95,681.52 and 19,404.05 is: 29,110.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,778.45 : 95,681.52 = 19,404.05 : x
  2. Step 2: Convert to fraction form
    63,778.45/95,681.52 = 19,404.05/x
  3. Step 3: Cross multiply
    63,778.45x = 95,681.52 × 19,404.05
  4. Step 4: Simplify right side
    63,778.45x = 1,856,608,998.16
  5. Step 5: Solve for x
    x = 1,856,608,998.16/63,778.45
  6. Step 6: Final answer
    x = 29,110.29

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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.