Home / 56,102.05-84,157.71-40,380.26

Finding the Fourth Proportional to 56,102.05, 84,157.71 and 40,380.26

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Solution

The fourth proportional to 56,102.05, 84,157.71 and 40,380.26 is: 60,573.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,102.05 : 84,157.71 = 40,380.26 : x
  2. Step 2: Convert to fraction form
    56,102.05/84,157.71 = 40,380.26/x
  3. Step 3: Cross multiply
    56,102.05x = 84,157.71 × 40,380.26
  4. Step 4: Simplify right side
    56,102.05x = 3,398,310,210.80
  5. Step 5: Solve for x
    x = 3,398,310,210.80/56,102.05
  6. Step 6: Final answer
    x = 60,573.73

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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.