Home / 74,361.43-111,542.28-52,273.61

Finding the Fourth Proportional to 74,361.43, 111,542.28 and 52,273.61

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Solution

The fourth proportional to 74,361.43, 111,542.28 and 52,273.61 is: 78,410.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,361.43 : 111,542.28 = 52,273.61 : x
  2. Step 2: Convert to fraction form
    74,361.43/111,542.28 = 52,273.61/x
  3. Step 3: Cross multiply
    74,361.43x = 111,542.28 × 52,273.61
  4. Step 4: Simplify right side
    74,361.43x = 5,830,717,643.23
  5. Step 5: Solve for x
    x = 5,830,717,643.23/74,361.43
  6. Step 6: Final answer
    x = 78,410.51

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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.