Home / 57,842.78-79,831.60-36,624.02

Finding the Fourth Proportional to 57,842.78, 79,831.60 and 36,624.02

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Solution

The fourth proportional to 57,842.78, 79,831.60 and 36,624.02 is: 50,546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,842.78 : 79,831.60 = 36,624.02 : x
  2. Step 2: Convert to fraction form
    57,842.78/79,831.60 = 36,624.02/x
  3. Step 3: Cross multiply
    57,842.78x = 79,831.60 × 36,624.02
  4. Step 4: Simplify right side
    57,842.78x = 2,923,754,115.03
  5. Step 5: Solve for x
    x = 2,923,754,115.03/57,842.78
  6. Step 6: Final answer
    x = 50,546.57

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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.