Home / 63,122.45-87,072.25-40,453.39

Finding the Fourth Proportional to 63,122.45, 87,072.25 and 40,453.39

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Solution

The fourth proportional to 63,122.45, 87,072.25 and 40,453.39 is: 55,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,122.45 : 87,072.25 = 40,453.39 : x
  2. Step 2: Convert to fraction form
    63,122.45/87,072.25 = 40,453.39/x
  3. Step 3: Cross multiply
    63,122.45x = 87,072.25 × 40,453.39
  4. Step 4: Simplify right side
    63,122.45x = 3,522,367,049.80
  5. Step 5: Solve for x
    x = 3,522,367,049.80/63,122.45
  6. Step 6: Final answer
    x = 55,802.13

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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.