Home / 69,178.09-103,635.88-41,038.69

Finding the Fourth Proportional to 69,178.09, 103,635.88 and 41,038.69

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Solution

The fourth proportional to 69,178.09, 103,635.88 and 41,038.69 is: 61,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,178.09 : 103,635.88 = 41,038.69 : x
  2. Step 2: Convert to fraction form
    69,178.09/103,635.88 = 41,038.69/x
  3. Step 3: Cross multiply
    69,178.09x = 103,635.88 × 41,038.69
  4. Step 4: Simplify right side
    69,178.09x = 4,253,080,752.20
  5. Step 5: Solve for x
    x = 4,253,080,752.20/69,178.09
  6. Step 6: Final answer
    x = 61,480.17

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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.