Home / 113,623.30-156,801.26-62,638.03

Finding the Fourth Proportional to 113,623.30, 156,801.26 and 62,638.03

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Solution

The fourth proportional to 113,623.30, 156,801.26 and 62,638.03 is: 86,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,623.30 : 156,801.26 = 62,638.03 : x
  2. Step 2: Convert to fraction form
    113,623.30/156,801.26 = 62,638.03/x
  3. Step 3: Cross multiply
    113,623.30x = 156,801.26 × 62,638.03
  4. Step 4: Simplify right side
    113,623.30x = 9,821,722,027.92
  5. Step 5: Solve for x
    x = 9,821,722,027.92/113,623.30
  6. Step 6: Final answer
    x = 86,441.09

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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.