Home / 69,129.94-103,589.26-46,557.15

Finding the Fourth Proportional to 69,129.94, 103,589.26 and 46,557.15

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Solution

The fourth proportional to 69,129.94, 103,589.26 and 46,557.15 is: 69,764.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,129.94 : 103,589.26 = 46,557.15 : x
  2. Step 2: Convert to fraction form
    69,129.94/103,589.26 = 46,557.15/x
  3. Step 3: Cross multiply
    69,129.94x = 103,589.26 × 46,557.15
  4. Step 4: Simplify right side
    69,129.94x = 4,822,820,716.21
  5. Step 5: Solve for x
    x = 4,822,820,716.21/69,129.94
  6. Step 6: Final answer
    x = 69,764.57

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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.