Home / 69,186.45-103,710.32-27,008.53

Finding the Fourth Proportional to 69,186.45, 103,710.32 and 27,008.53

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Solution

The fourth proportional to 69,186.45, 103,710.32 and 27,008.53 is: 40,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,186.45 : 103,710.32 = 27,008.53 : x
  2. Step 2: Convert to fraction form
    69,186.45/103,710.32 = 27,008.53/x
  3. Step 3: Cross multiply
    69,186.45x = 103,710.32 × 27,008.53
  4. Step 4: Simplify right side
    69,186.45x = 2,801,063,356.55
  5. Step 5: Solve for x
    x = 2,801,063,356.55/69,186.45
  6. Step 6: Final answer
    x = 40,485.72

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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.