Home / 74,329.45-111,493.21-18,170.06

Finding the Fourth Proportional to 74,329.45, 111,493.21 and 18,170.06

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Solution

The fourth proportional to 74,329.45, 111,493.21 and 18,170.06 is: 27,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,329.45 : 111,493.21 = 18,170.06 : x
  2. Step 2: Convert to fraction form
    74,329.45/111,493.21 = 18,170.06/x
  3. Step 3: Cross multiply
    74,329.45x = 111,493.21 × 18,170.06
  4. Step 4: Simplify right side
    74,329.45x = 2,025,838,059.27
  5. Step 5: Solve for x
    x = 2,025,838,059.27/74,329.45
  6. Step 6: Final answer
    x = 27,254.85

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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.