Home / 75,198.50-103,777.33-41,664.50

Finding the Fourth Proportional to 75,198.50, 103,777.33 and 41,664.50

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Solution

The fourth proportional to 75,198.50, 103,777.33 and 41,664.50 is: 57,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,198.50 : 103,777.33 = 41,664.50 : x
  2. Step 2: Convert to fraction form
    75,198.50/103,777.33 = 41,664.50/x
  3. Step 3: Cross multiply
    75,198.50x = 103,777.33 × 41,664.50
  4. Step 4: Simplify right side
    75,198.50x = 4,323,830,565.79
  5. Step 5: Solve for x
    x = 4,323,830,565.79/75,198.50
  6. Step 6: Final answer
    x = 57,498.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.