Home / 56,100.44-84,155.27-40,378.64

Finding the Fourth Proportional to 56,100.44, 84,155.27 and 40,378.64

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Solution

The fourth proportional to 56,100.44, 84,155.27 and 40,378.64 is: 60,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,100.44 : 84,155.27 = 40,378.64 : x
  2. Step 2: Convert to fraction form
    56,100.44/84,155.27 = 40,378.64/x
  3. Step 3: Cross multiply
    56,100.44x = 84,155.27 × 40,378.64
  4. Step 4: Simplify right side
    56,100.44x = 3,398,074,728.76
  5. Step 5: Solve for x
    x = 3,398,074,728.76/56,100.44
  6. Step 6: Final answer
    x = 60,571.27

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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.