Home / 72,735.22-100,353.90-43,651.77

Finding the Fourth Proportional to 72,735.22, 100,353.90 and 43,651.77

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Solution

The fourth proportional to 72,735.22, 100,353.90 and 43,651.77 is: 60,227.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,735.22 : 100,353.90 = 43,651.77 : x
  2. Step 2: Convert to fraction form
    72,735.22/100,353.90 = 43,651.77/x
  3. Step 3: Cross multiply
    72,735.22x = 100,353.90 × 43,651.77
  4. Step 4: Simplify right side
    72,735.22x = 4,380,625,361.40
  5. Step 5: Solve for x
    x = 4,380,625,361.40/72,735.22
  6. Step 6: Final answer
    x = 60,227.02

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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.