Home / 53,188.43-73,379.45-30,519.23

Finding the Fourth Proportional to 53,188.43, 73,379.45 and 30,519.23

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Solution

The fourth proportional to 53,188.43, 73,379.45 and 30,519.23 is: 42,104.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,188.43 : 73,379.45 = 30,519.23 : x
  2. Step 2: Convert to fraction form
    53,188.43/73,379.45 = 30,519.23/x
  3. Step 3: Cross multiply
    53,188.43x = 73,379.45 × 30,519.23
  4. Step 4: Simplify right side
    53,188.43x = 2,239,484,021.22
  5. Step 5: Solve for x
    x = 2,239,484,021.22/53,188.43
  6. Step 6: Final answer
    x = 42,104.73

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Find fourth proportional to 53,189.43, 73,380.83 and 30,520.23
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1.5x scale

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.