Home / 117,686.96-162,370.68-73,000.88

Finding the Fourth Proportional to 117,686.96, 162,370.68 and 73,000.88

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Solution

The fourth proportional to 117,686.96, 162,370.68 and 73,000.88 is: 100,718.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,686.96 : 162,370.68 = 73,000.88 : x
  2. Step 2: Convert to fraction form
    117,686.96/162,370.68 = 73,000.88/x
  3. Step 3: Cross multiply
    117,686.96x = 162,370.68 × 73,000.88
  4. Step 4: Simplify right side
    117,686.96x = 11,853,202,526.20
  5. Step 5: Solve for x
    x = 11,853,202,526.20/117,686.96
  6. Step 6: Final answer
    x = 100,718.06

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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.