Home / 74,246.72-111,221.60-44,648.40

Finding the Fourth Proportional to 74,246.72, 111,221.60 and 44,648.40

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Solution

The fourth proportional to 74,246.72, 111,221.60 and 44,648.40 is: 66,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,246.72 : 111,221.60 = 44,648.40 : x
  2. Step 2: Convert to fraction form
    74,246.72/111,221.60 = 44,648.40/x
  3. Step 3: Cross multiply
    74,246.72x = 111,221.60 × 44,648.40
  4. Step 4: Simplify right side
    74,246.72x = 4,965,866,485.44
  5. Step 5: Solve for x
    x = 4,965,866,485.44/74,246.72
  6. Step 6: Final answer
    x = 66,883.31

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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.