Home / 80,270.09-110,773.53-48,432.86

Finding the Fourth Proportional to 80,270.09, 110,773.53 and 48,432.86

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Solution

The fourth proportional to 80,270.09, 110,773.53 and 48,432.86 is: 66,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,270.09 : 110,773.53 = 48,432.86 : x
  2. Step 2: Convert to fraction form
    80,270.09/110,773.53 = 48,432.86/x
  3. Step 3: Cross multiply
    80,270.09x = 110,773.53 × 48,432.86
  4. Step 4: Simplify right side
    80,270.09x = 5,365,078,870.20
  5. Step 5: Solve for x
    x = 5,365,078,870.20/80,270.09
  6. Step 6: Final answer
    x = 66,837.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.