Home / 111,661.32-167,397.78-48,433.85

Finding the Fourth Proportional to 111,661.32, 167,397.78 and 48,433.85

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Solution

The fourth proportional to 111,661.32, 167,397.78 and 48,433.85 is: 72,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,661.32 : 167,397.78 = 48,433.85 : x
  2. Step 2: Convert to fraction form
    111,661.32/167,397.78 = 48,433.85/x
  3. Step 3: Cross multiply
    111,661.32x = 167,397.78 × 48,433.85
  4. Step 4: Simplify right side
    111,661.32x = 8,107,718,129.86
  5. Step 5: Solve for x
    x = 8,107,718,129.86/111,661.32
  6. Step 6: Final answer
    x = 72,609.91

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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.