Home / 56,761.57-78,330.99-32,902.09

Finding the Fourth Proportional to 56,761.57, 78,330.99 and 32,902.09

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Solution

The fourth proportional to 56,761.57, 78,330.99 and 32,902.09 is: 45,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,761.57 : 78,330.99 = 32,902.09 : x
  2. Step 2: Convert to fraction form
    56,761.57/78,330.99 = 32,902.09/x
  3. Step 3: Cross multiply
    56,761.57x = 78,330.99 × 32,902.09
  4. Step 4: Simplify right side
    56,761.57x = 2,577,253,282.77
  5. Step 5: Solve for x
    x = 2,577,253,282.77/56,761.57
  6. Step 6: Final answer
    x = 45,404.90

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1.5x scale

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.