Home / 63,121.96-87,173.13-52,405.66

Finding the Fourth Proportional to 63,121.96, 87,173.13 and 52,405.66

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Solution

The fourth proportional to 63,121.96, 87,173.13 and 52,405.66 is: 72,373.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,121.96 : 87,173.13 = 52,405.66 : x
  2. Step 2: Convert to fraction form
    63,121.96/87,173.13 = 52,405.66/x
  3. Step 3: Cross multiply
    63,121.96x = 87,173.13 × 52,405.66
  4. Step 4: Simplify right side
    63,121.96x = 4,568,365,411.92
  5. Step 5: Solve for x
    x = 4,568,365,411.92/63,121.96
  6. Step 6: Final answer
    x = 72,373.63

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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.