Home / 75,021.46-112,520.85-22,435.45

Finding the Fourth Proportional to 75,021.46, 112,520.85 and 22,435.45

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Solution

The fourth proportional to 75,021.46, 112,520.85 and 22,435.45 is: 33,649.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,021.46 : 112,520.85 = 22,435.45 : x
  2. Step 2: Convert to fraction form
    75,021.46/112,520.85 = 22,435.45/x
  3. Step 3: Cross multiply
    75,021.46x = 112,520.85 × 22,435.45
  4. Step 4: Simplify right side
    75,021.46x = 2,524,455,904.13
  5. Step 5: Solve for x
    x = 2,524,455,904.13/75,021.46
  6. Step 6: Final answer
    x = 33,649.78

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1.5x scale

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.