Home / 57,850.18-86,635.19-40,030.89

Finding the Fourth Proportional to 57,850.18, 86,635.19 and 40,030.89

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Solution

The fourth proportional to 57,850.18, 86,635.19 and 40,030.89 is: 59,949.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,850.18 : 86,635.19 = 40,030.89 : x
  2. Step 2: Convert to fraction form
    57,850.18/86,635.19 = 40,030.89/x
  3. Step 3: Cross multiply
    57,850.18x = 86,635.19 × 40,030.89
  4. Step 4: Simplify right side
    57,850.18x = 3,468,083,127.69
  5. Step 5: Solve for x
    x = 3,468,083,127.69/57,850.18
  6. Step 6: Final answer
    x = 59,949.39

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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.