Home / 69,454.20-104,141.07-61,150.89

Finding the Fourth Proportional to 69,454.20, 104,141.07 and 61,150.89

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Solution

The fourth proportional to 69,454.20, 104,141.07 and 61,150.89 is: 91,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,454.20 : 104,141.07 = 61,150.89 : x
  2. Step 2: Convert to fraction form
    69,454.20/104,141.07 = 61,150.89/x
  3. Step 3: Cross multiply
    69,454.20x = 104,141.07 × 61,150.89
  4. Step 4: Simplify right side
    69,454.20x = 6,368,319,116.05
  5. Step 5: Solve for x
    x = 6,368,319,116.05/69,454.20
  6. Step 6: Final answer
    x = 91,690.91

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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.