Home / 75,087.47-103,575.68-49,593.89

Finding the Fourth Proportional to 75,087.47, 103,575.68 and 49,593.89

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Solution

The fourth proportional to 75,087.47, 103,575.68 and 49,593.89 is: 68,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087.47 : 103,575.68 = 49,593.89 : x
  2. Step 2: Convert to fraction form
    75,087.47/103,575.68 = 49,593.89/x
  3. Step 3: Cross multiply
    75,087.47x = 103,575.68 × 49,593.89
  4. Step 4: Simplify right side
    75,087.47x = 5,136,720,494.93
  5. Step 5: Solve for x
    x = 5,136,720,494.93/75,087.47
  6. Step 6: Final answer
    x = 68,409.82

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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.