Home / 49,875.55-74,773.73-28,791.75

Finding the Fourth Proportional to 49,875.55, 74,773.73 and 28,791.75

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Solution

The fourth proportional to 49,875.55, 74,773.73 and 28,791.75 is: 43,164.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,875.55 : 74,773.73 = 28,791.75 : x
  2. Step 2: Convert to fraction form
    49,875.55/74,773.73 = 28,791.75/x
  3. Step 3: Cross multiply
    49,875.55x = 74,773.73 × 28,791.75
  4. Step 4: Simplify right side
    49,875.55x = 2,152,866,893.11
  5. Step 5: Solve for x
    x = 2,152,866,893.11/49,875.55
  6. Step 6: Final answer
    x = 43,164.78

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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.