Home / 69,175.08-103,756.14-22,428.36

Finding the Fourth Proportional to 69,175.08, 103,756.14 and 22,428.36

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Solution

The fourth proportional to 69,175.08, 103,756.14 and 22,428.36 is: 33,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,175.08 : 103,756.14 = 22,428.36 : x
  2. Step 2: Convert to fraction form
    69,175.08/103,756.14 = 22,428.36/x
  3. Step 3: Cross multiply
    69,175.08x = 103,756.14 × 22,428.36
  4. Step 4: Simplify right side
    69,175.08x = 2,327,080,060.13
  5. Step 5: Solve for x
    x = 2,327,080,060.13/69,175.08
  6. Step 6: Final answer
    x = 33,640.44

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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.