Home / 111,714.38-167,518.77-40,587.42

Finding the Fourth Proportional to 111,714.38, 167,518.77 and 40,587.42

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Solution

The fourth proportional to 111,714.38, 167,518.77 and 40,587.42 is: 60,861.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,714.38 : 167,518.77 = 40,587.42 : x
  2. Step 2: Convert to fraction form
    111,714.38/167,518.77 = 40,587.42/x
  3. Step 3: Cross multiply
    111,714.38x = 167,518.77 × 40,587.42
  4. Step 4: Simplify right side
    111,714.38x = 6,799,154,675.87
  5. Step 5: Solve for x
    x = 6,799,154,675.87/111,714.38
  6. Step 6: Final answer
    x = 60,861.95

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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.