Home / 53,600.85-80,375.36-31,421.43

Finding the Fourth Proportional to 53,600.85, 80,375.36 and 31,421.43

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Solution

The fourth proportional to 53,600.85, 80,375.36 and 31,421.43 is: 47,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,600.85 : 80,375.36 = 31,421.43 : x
  2. Step 2: Convert to fraction form
    53,600.85/80,375.36 = 31,421.43/x
  3. Step 3: Cross multiply
    53,600.85x = 80,375.36 × 31,421.43
  4. Step 4: Simplify right side
    53,600.85x = 2,525,508,590.86
  5. Step 5: Solve for x
    x = 2,525,508,590.86/53,600.85
  6. Step 6: Final answer
    x = 47,116.95

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1.5x scale

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.