Home / 83,028.78-124,567.47-35,618.94

Finding the Fourth Proportional to 83,028.78, 124,567.47 and 35,618.94

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Solution

The fourth proportional to 83,028.78, 124,567.47 and 35,618.94 is: 53,438.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,028.78 : 124,567.47 = 35,618.94 : x
  2. Step 2: Convert to fraction form
    83,028.78/124,567.47 = 35,618.94/x
  3. Step 3: Cross multiply
    83,028.78x = 124,567.47 × 35,618.94
  4. Step 4: Simplify right side
    83,028.78x = 4,436,961,239.88
  5. Step 5: Solve for x
    x = 4,436,961,239.88/83,028.78
  6. Step 6: Final answer
    x = 53,438.83

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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.