Home / 69,458.20-104,147.07-61,154.89

Finding the Fourth Proportional to 69,458.20, 104,147.07 and 61,154.89

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Solution

The fourth proportional to 69,458.20, 104,147.07 and 61,154.89 is: 91,696.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,458.20 : 104,147.07 = 61,154.89 : x
  2. Step 2: Convert to fraction form
    69,458.20/104,147.07 = 61,154.89/x
  3. Step 3: Cross multiply
    69,458.20x = 104,147.07 × 61,154.89
  4. Step 4: Simplify right side
    69,458.20x = 6,369,102,609.67
  5. Step 5: Solve for x
    x = 6,369,102,609.67/69,458.20
  6. Step 6: Final answer
    x = 91,696.91

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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.