Home / 80,789.53-111,509.19-46,792.54

Finding the Fourth Proportional to 80,789.53, 111,509.19 and 46,792.54

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Solution

The fourth proportional to 80,789.53, 111,509.19 and 46,792.54 is: 64,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,789.53 : 111,509.19 = 46,792.54 : x
  2. Step 2: Convert to fraction form
    80,789.53/111,509.19 = 46,792.54/x
  3. Step 3: Cross multiply
    80,789.53x = 111,509.19 × 46,792.54
  4. Step 4: Simplify right side
    80,789.53x = 5,217,797,943.00
  5. Step 5: Solve for x
    x = 5,217,797,943.00/80,789.53
  6. Step 6: Final answer
    x = 64,585.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.