Home / 73,640.96-110,459.24-20,336.18

Finding the Fourth Proportional to 73,640.96, 110,459.24 and 20,336.18

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Solution

The fourth proportional to 73,640.96, 110,459.24 and 20,336.18 is: 30,503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,640.96 : 110,459.24 = 20,336.18 : x
  2. Step 2: Convert to fraction form
    73,640.96/110,459.24 = 20,336.18/x
  3. Step 3: Cross multiply
    73,640.96x = 110,459.24 × 20,336.18
  4. Step 4: Simplify right side
    73,640.96x = 2,246,318,333.33
  5. Step 5: Solve for x
    x = 2,246,318,333.33/73,640.96
  6. Step 6: Final answer
    x = 30,503.66

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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.