Home / 67,991.10-93,821.84-37,775.87

Finding the Fourth Proportional to 67,991.10, 93,821.84 and 37,775.87

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Solution

The fourth proportional to 67,991.10, 93,821.84 and 37,775.87 is: 52,127.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,991.10 : 93,821.84 = 37,775.87 : x
  2. Step 2: Convert to fraction form
    67,991.10/93,821.84 = 37,775.87/x
  3. Step 3: Cross multiply
    67,991.10x = 93,821.84 × 37,775.87
  4. Step 4: Simplify right side
    67,991.10x = 3,544,201,678.99
  5. Step 5: Solve for x
    x = 3,544,201,678.99/67,991.10
  6. Step 6: Final answer
    x = 52,127.44

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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.