Home / 82,220.43-123,343.56-34,835.67

Finding the Fourth Proportional to 82,220.43, 123,343.56 and 34,835.67

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Solution

The fourth proportional to 82,220.43, 123,343.56 and 34,835.67 is: 52,258.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,220.43 : 123,343.56 = 34,835.67 : x
  2. Step 2: Convert to fraction form
    82,220.43/123,343.56 = 34,835.67/x
  3. Step 3: Cross multiply
    82,220.43x = 123,343.56 × 34,835.67
  4. Step 4: Simplify right side
    82,220.43x = 4,296,755,552.79
  5. Step 5: Solve for x
    x = 4,296,755,552.79/82,220.43
  6. Step 6: Final answer
    x = 52,258.98

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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.