Home / 49,747.93-74,619.45-18,580.75

Finding the Fourth Proportional to 49,747.93, 74,619.45 and 18,580.75

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Solution

The fourth proportional to 49,747.93, 74,619.45 and 18,580.75 is: 27,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,747.93 : 74,619.45 = 18,580.75 : x
  2. Step 2: Convert to fraction form
    49,747.93/74,619.45 = 18,580.75/x
  3. Step 3: Cross multiply
    49,747.93x = 74,619.45 × 18,580.75
  4. Step 4: Simplify right side
    49,747.93x = 1,386,485,345.59
  5. Step 5: Solve for x
    x = 1,386,485,345.59/49,747.93
  6. Step 6: Final answer
    x = 27,870.21

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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.