Home / 49,955.70-74,921.55-28,850.10

Finding the Fourth Proportional to 49,955.70, 74,921.55 and 28,850.10

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Solution

The fourth proportional to 49,955.70, 74,921.55 and 28,850.10 is: 43,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,955.70 : 74,921.55 = 28,850.10 : x
  2. Step 2: Convert to fraction form
    49,955.70/74,921.55 = 28,850.10/x
  3. Step 3: Cross multiply
    49,955.70x = 74,921.55 × 28,850.10
  4. Step 4: Simplify right side
    49,955.70x = 2,161,494,209.66
  5. Step 5: Solve for x
    x = 2,161,494,209.66/49,955.70
  6. Step 6: Final answer
    x = 43,268.22

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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.