Home / 123,431.04-185,215.01-60,251.65

Finding the Fourth Proportional to 123,431.04, 185,215.01 and 60,251.65

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Solution

The fourth proportional to 123,431.04, 185,215.01 and 60,251.65 is: 90,410.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,431.04 : 185,215.01 = 60,251.65 : x
  2. Step 2: Convert to fraction form
    123,431.04/185,215.01 = 60,251.65/x
  3. Step 3: Cross multiply
    123,431.04x = 185,215.01 × 60,251.65
  4. Step 4: Simplify right side
    123,431.04x = 11,159,509,192.97
  5. Step 5: Solve for x
    x = 11,159,509,192.97/123,431.04
  6. Step 6: Final answer
    x = 90,410.88

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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.