Home / 70,027.20-96,668.64-41,742.72

Finding the Fourth Proportional to 70,027.20, 96,668.64 and 41,742.72

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Solution

The fourth proportional to 70,027.20, 96,668.64 and 41,742.72 is: 57,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,027.20 : 96,668.64 = 41,742.72 : x
  2. Step 2: Convert to fraction form
    70,027.20/96,668.64 = 41,742.72/x
  3. Step 3: Cross multiply
    70,027.20x = 96,668.64 × 41,742.72
  4. Step 4: Simplify right side
    70,027.20x = 4,035,211,972.30
  5. Step 5: Solve for x
    x = 4,035,211,972.30/70,027.20
  6. Step 6: Final answer
    x = 57,623.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.