Home / 113,682.05-156,882.21-62,696.60

Finding the Fourth Proportional to 113,682.05, 156,882.21 and 62,696.60

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Solution

The fourth proportional to 113,682.05, 156,882.21 and 62,696.60 is: 86,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,682.05 : 156,882.21 = 62,696.60 : x
  2. Step 2: Convert to fraction form
    113,682.05/156,882.21 = 62,696.60/x
  3. Step 3: Cross multiply
    113,682.05x = 156,882.21 × 62,696.60
  4. Step 4: Simplify right side
    113,682.05x = 9,835,980,383.07
  5. Step 5: Solve for x
    x = 9,835,980,383.07/113,682.05
  6. Step 6: Final answer
    x = 86,521.85

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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.