Home / 117,930.96-162,633.60-91,031.04

Finding the Fourth Proportional to 117,930.96, 162,633.60 and 91,031.04

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Solution

The fourth proportional to 117,930.96, 162,633.60 and 91,031.04 is: 125,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,930.96 : 162,633.60 = 91,031.04 : x
  2. Step 2: Convert to fraction form
    117,930.96/162,633.60 = 91,031.04/x
  3. Step 3: Cross multiply
    117,930.96x = 162,633.60 × 91,031.04
  4. Step 4: Simplify right side
    117,930.96x = 14,804,705,746.94
  5. Step 5: Solve for x
    x = 14,804,705,746.94/117,930.96
  6. Step 6: Final answer
    x = 125,537.06

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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.