Home / 63,077.22-87,049.35-36,220.86

Finding the Fourth Proportional to 63,077.22, 87,049.35 and 36,220.86

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Solution

The fourth proportional to 63,077.22, 87,049.35 and 36,220.86 is: 49,986.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,077.22 : 87,049.35 = 36,220.86 : x
  2. Step 2: Convert to fraction form
    63,077.22/87,049.35 = 36,220.86/x
  3. Step 3: Cross multiply
    63,077.22x = 87,049.35 × 36,220.86
  4. Step 4: Simplify right side
    63,077.22x = 3,153,002,319.44
  5. Step 5: Solve for x
    x = 3,153,002,319.44/63,077.22
  6. Step 6: Final answer
    x = 49,986.39

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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.