Home / 72,249.21-99,705.34-43,568.73

Finding the Fourth Proportional to 72,249.21, 99,705.34 and 43,568.73

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Solution

The fourth proportional to 72,249.21, 99,705.34 and 43,568.73 is: 60,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,249.21 : 99,705.34 = 43,568.73 : x
  2. Step 2: Convert to fraction form
    72,249.21/99,705.34 = 43,568.73/x
  3. Step 3: Cross multiply
    72,249.21x = 99,705.34 × 43,568.73
  4. Step 4: Simplify right side
    72,249.21x = 4,344,035,038.02
  5. Step 5: Solve for x
    x = 4,344,035,038.02/72,249.21
  6. Step 6: Final answer
    x = 60,125.71

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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.