Home / 117,379.24-161,956.74-67,077.16

Finding the Fourth Proportional to 117,379.24, 161,956.74 and 67,077.16

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Solution

The fourth proportional to 117,379.24, 161,956.74 and 67,077.16 is: 92,551.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,379.24 : 161,956.74 = 67,077.16 : x
  2. Step 2: Convert to fraction form
    117,379.24/161,956.74 = 67,077.16/x
  3. Step 3: Cross multiply
    117,379.24x = 161,956.74 × 67,077.16
  4. Step 4: Simplify right side
    117,379.24x = 10,863,598,162.06
  5. Step 5: Solve for x
    x = 10,863,598,162.06/117,379.24
  6. Step 6: Final answer
    x = 92,551.27

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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.