Home / 53,723.21-80,361.05-49,737.40

Finding the Fourth Proportional to 53,723.21, 80,361.05 and 49,737.40

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Solution

The fourth proportional to 53,723.21, 80,361.05 and 49,737.40 is: 74,398.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,723.21 : 80,361.05 = 49,737.40 : x
  2. Step 2: Convert to fraction form
    53,723.21/80,361.05 = 49,737.40/x
  3. Step 3: Cross multiply
    53,723.21x = 80,361.05 × 49,737.40
  4. Step 4: Simplify right side
    53,723.21x = 3,996,949,238.68
  5. Step 5: Solve for x
    x = 3,996,949,238.68/53,723.21
  6. Step 6: Final answer
    x = 74,398.94

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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.