Home / 74,234.64-111,220.74-49,215.36

Finding the Fourth Proportional to 74,234.64, 111,220.74 and 49,215.36

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Solution

The fourth proportional to 74,234.64, 111,220.74 and 49,215.36 is: 73,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,234.64 : 111,220.74 = 49,215.36 : x
  2. Step 2: Convert to fraction form
    74,234.64/111,220.74 = 49,215.36/x
  3. Step 3: Cross multiply
    74,234.64x = 111,220.74 × 49,215.36
  4. Step 4: Simplify right side
    74,234.64x = 5,473,768,758.57
  5. Step 5: Solve for x
    x = 5,473,768,758.57/74,234.64
  6. Step 6: Final answer
    x = 73,736.05

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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.