Home / 48,282.94-72,452.66-20,200.64

Finding the Fourth Proportional to 48,282.94, 72,452.66 and 20,200.64

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Solution

The fourth proportional to 48,282.94, 72,452.66 and 20,200.64 is: 30,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,282.94 : 72,452.66 = 20,200.64 : x
  2. Step 2: Convert to fraction form
    48,282.94/72,452.66 = 20,200.64/x
  3. Step 3: Cross multiply
    48,282.94x = 72,452.66 × 20,200.64
  4. Step 4: Simplify right side
    48,282.94x = 1,463,590,123.60
  5. Step 5: Solve for x
    x = 1,463,590,123.60/48,282.94
  6. Step 6: Final answer
    x = 30,312.78

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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.