Home / 55,542.20-76,650.28-31,668.62

Finding the Fourth Proportional to 55,542.20, 76,650.28 and 31,668.62

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Solution

The fourth proportional to 55,542.20, 76,650.28 and 31,668.62 is: 43,703.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,542.20 : 76,650.28 = 31,668.62 : x
  2. Step 2: Convert to fraction form
    55,542.20/76,650.28 = 31,668.62/x
  3. Step 3: Cross multiply
    55,542.20x = 76,650.28 × 31,668.62
  4. Step 4: Simplify right side
    55,542.20x = 2,427,408,590.21
  5. Step 5: Solve for x
    x = 2,427,408,590.21/55,542.20
  6. Step 6: Final answer
    x = 43,703.86

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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.