Home / 69,101.10-103,651.31-26,985.46

Finding the Fourth Proportional to 69,101.10, 103,651.31 and 26,985.46

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Solution

The fourth proportional to 69,101.10, 103,651.31 and 26,985.46 is: 40,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,101.10 : 103,651.31 = 26,985.46 : x
  2. Step 2: Convert to fraction form
    69,101.10/103,651.31 = 26,985.46/x
  3. Step 3: Cross multiply
    69,101.10x = 103,651.31 × 26,985.46
  4. Step 4: Simplify right side
    69,101.10x = 2,797,078,606.54
  5. Step 5: Solve for x
    x = 2,797,078,606.54/69,101.10
  6. Step 6: Final answer
    x = 40,478.06

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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.