Home / 52,173.91-71,998.05-28,299.79

Finding the Fourth Proportional to 52,173.91, 71,998.05 and 28,299.79

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Solution

The fourth proportional to 52,173.91, 71,998.05 and 28,299.79 is: 39,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,173.91 : 71,998.05 = 28,299.79 : x
  2. Step 2: Convert to fraction form
    52,173.91/71,998.05 = 28,299.79/x
  3. Step 3: Cross multiply
    52,173.91x = 71,998.05 × 28,299.79
  4. Step 4: Simplify right side
    52,173.91x = 2,037,529,695.41
  5. Step 5: Solve for x
    x = 2,037,529,695.41/52,173.91
  6. Step 6: Final answer
    x = 39,052.65

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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.