Home / 125,851.12-188,777.18-50,972.69

Finding the Fourth Proportional to 125,851.12, 188,777.18 and 50,972.69

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Solution

The fourth proportional to 125,851.12, 188,777.18 and 50,972.69 is: 76,459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,851.12 : 188,777.18 = 50,972.69 : x
  2. Step 2: Convert to fraction form
    125,851.12/188,777.18 = 50,972.69/x
  3. Step 3: Cross multiply
    125,851.12x = 188,777.18 × 50,972.69
  4. Step 4: Simplify right side
    125,851.12x = 9,622,481,274.59
  5. Step 5: Solve for x
    x = 9,622,481,274.59/125,851.12
  6. Step 6: Final answer
    x = 76,459.24

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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.