Home / 56,840.85-78,446.22-36,158.69

Finding the Fourth Proportional to 56,840.85, 78,446.22 and 36,158.69

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Solution

The fourth proportional to 56,840.85, 78,446.22 and 36,158.69 is: 49,902.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,840.85 : 78,446.22 = 36,158.69 : x
  2. Step 2: Convert to fraction form
    56,840.85/78,446.22 = 36,158.69/x
  3. Step 3: Cross multiply
    56,840.85x = 78,446.22 × 36,158.69
  4. Step 4: Simplify right side
    56,840.85x = 2,836,512,373.30
  5. Step 5: Solve for x
    x = 2,836,512,373.30/56,840.85
  6. Step 6: Final answer
    x = 49,902.71

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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.