Home / 63,543.21-95,164.53-55,177.76

Finding the Fourth Proportional to 63,543.21, 95,164.53 and 55,177.76

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Solution

The fourth proportional to 63,543.21, 95,164.53 and 55,177.76 is: 82,636.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,543.21 : 95,164.53 = 55,177.76 : x
  2. Step 2: Convert to fraction form
    63,543.21/95,164.53 = 55,177.76/x
  3. Step 3: Cross multiply
    63,543.21x = 95,164.53 × 55,177.76
  4. Step 4: Simplify right side
    63,543.21x = 5,250,965,121.03
  5. Step 5: Solve for x
    x = 5,250,965,121.03/63,543.21
  6. Step 6: Final answer
    x = 82,636.13

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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.