Home / 70,110.24-105,109.52-40,494.56

Finding the Fourth Proportional to 70,110.24, 105,109.52 and 40,494.56

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Solution

The fourth proportional to 70,110.24, 105,109.52 and 40,494.56 is: 60,709.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,110.24 : 105,109.52 = 40,494.56 : x
  2. Step 2: Convert to fraction form
    70,110.24/105,109.52 = 40,494.56/x
  3. Step 3: Cross multiply
    70,110.24x = 105,109.52 × 40,494.56
  4. Step 4: Simplify right side
    70,110.24x = 4,256,363,764.21
  5. Step 5: Solve for x
    x = 4,256,363,764.21/70,110.24
  6. Step 6: Final answer
    x = 60,709.59

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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.