Home / 57,851.18-86,636.68-40,031.89

Finding the Fourth Proportional to 57,851.18, 86,636.68 and 40,031.89

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Solution

The fourth proportional to 57,851.18, 86,636.68 and 40,031.89 is: 59,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,851.18 : 86,636.68 = 40,031.89 : x
  2. Step 2: Convert to fraction form
    57,851.18/86,636.68 = 40,031.89/x
  3. Step 3: Cross multiply
    57,851.18x = 86,636.68 × 40,031.89
  4. Step 4: Simplify right side
    57,851.18x = 3,468,230,043.73
  5. Step 5: Solve for x
    x = 3,468,230,043.73/57,851.18
  6. Step 6: Final answer
    x = 59,950.90

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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.