Home / 107,415.51-161,067.90-48,200.43

Finding the Fourth Proportional to 107,415.51, 161,067.90 and 48,200.43

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Solution

The fourth proportional to 107,415.51, 161,067.90 and 48,200.43 is: 72,275.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,415.51 : 161,067.90 = 48,200.43 : x
  2. Step 2: Convert to fraction form
    107,415.51/161,067.90 = 48,200.43/x
  3. Step 3: Cross multiply
    107,415.51x = 161,067.90 × 48,200.43
  4. Step 4: Simplify right side
    107,415.51x = 7,763,542,039.20
  5. Step 5: Solve for x
    x = 7,763,542,039.20/107,415.51
  6. Step 6: Final answer
    x = 72,275.80

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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.