Home / 49,842.60-74,687.10-43,237.80

Finding the Fourth Proportional to 49,842.60, 74,687.10 and 43,237.80

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Solution

The fourth proportional to 49,842.60, 74,687.10 and 43,237.80 is: 64,790.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,842.60 : 74,687.10 = 43,237.80 : x
  2. Step 2: Convert to fraction form
    49,842.60/74,687.10 = 43,237.80/x
  3. Step 3: Cross multiply
    49,842.60x = 74,687.10 × 43,237.80
  4. Step 4: Simplify right side
    49,842.60x = 3,229,305,892.38
  5. Step 5: Solve for x
    x = 3,229,305,892.38/49,842.60
  6. Step 6: Final answer
    x = 64,790.08

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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.