Home / 113,638.14-156,821.72-62,652.69

Finding the Fourth Proportional to 113,638.14, 156,821.72 and 62,652.69

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Solution

The fourth proportional to 113,638.14, 156,821.72 and 62,652.69 is: 86,461.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,638.14 : 156,821.72 = 62,652.69 : x
  2. Step 2: Convert to fraction form
    113,638.14/156,821.72 = 62,652.69/x
  3. Step 3: Cross multiply
    113,638.14x = 156,821.72 × 62,652.69
  4. Step 4: Simplify right side
    113,638.14x = 9,825,302,647.58
  5. Step 5: Solve for x
    x = 9,825,302,647.58/113,638.14
  6. Step 6: Final answer
    x = 86,461.31

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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.