Home / 85,230.42-127,825.13-26,066.61

Finding the Fourth Proportional to 85,230.42, 127,825.13 and 26,066.61

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Solution

The fourth proportional to 85,230.42, 127,825.13 and 26,066.61 is: 39,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,230.42 : 127,825.13 = 26,066.61 : x
  2. Step 2: Convert to fraction form
    85,230.42/127,825.13 = 26,066.61/x
  3. Step 3: Cross multiply
    85,230.42x = 127,825.13 × 26,066.61
  4. Step 4: Simplify right side
    85,230.42x = 3,331,967,348.86
  5. Step 5: Solve for x
    x = 3,331,967,348.86/85,230.42
  6. Step 6: Final answer
    x = 39,093.64

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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.