Home / 49,845.40-74,808.90-49,456.60

Finding the Fourth Proportional to 49,845.40, 74,808.90 and 49,456.60

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Solution

The fourth proportional to 49,845.40, 74,808.90 and 49,456.60 is: 74,225.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,845.40 : 74,808.90 = 49,456.60 : x
  2. Step 2: Convert to fraction form
    49,845.40/74,808.90 = 49,456.60/x
  3. Step 3: Cross multiply
    49,845.40x = 74,808.90 × 49,456.60
  4. Step 4: Simplify right side
    49,845.40x = 3,699,793,843.74
  5. Step 5: Solve for x
    x = 3,699,793,843.74/49,845.40
  6. Step 6: Final answer
    x = 74,225.38

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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.