Home / 49,893.12-74,799.94-28,809.22

Finding the Fourth Proportional to 49,893.12, 74,799.94 and 28,809.22

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Solution

The fourth proportional to 49,893.12, 74,799.94 and 28,809.22 is: 43,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,893.12 : 74,799.94 = 28,809.22 : x
  2. Step 2: Convert to fraction form
    49,893.12/74,799.94 = 28,809.22/x
  3. Step 3: Cross multiply
    49,893.12x = 74,799.94 × 28,809.22
  4. Step 4: Simplify right side
    49,893.12x = 2,154,927,927.45
  5. Step 5: Solve for x
    x = 2,154,927,927.45/49,893.12
  6. Step 6: Final answer
    x = 43,190.88

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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.