Home / 123,485.28-185,253.52-49,619.04

Finding the Fourth Proportional to 123,485.28, 185,253.52 and 49,619.04

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Solution

The fourth proportional to 123,485.28, 185,253.52 and 49,619.04 is: 74,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,485.28 : 185,253.52 = 49,619.04 : x
  2. Step 2: Convert to fraction form
    123,485.28/185,253.52 = 49,619.04/x
  3. Step 3: Cross multiply
    123,485.28x = 185,253.52 × 49,619.04
  4. Step 4: Simplify right side
    123,485.28x = 9,192,101,819.02
  5. Step 5: Solve for x
    x = 9,192,101,819.02/123,485.28
  6. Step 6: Final answer
    x = 74,438.85

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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.