Home / 117,724.24-162,462.66-64,012.96

Finding the Fourth Proportional to 117,724.24, 162,462.66 and 64,012.96

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Solution

The fourth proportional to 117,724.24, 162,462.66 and 64,012.96 is: 88,339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,724.24 : 162,462.66 = 64,012.96 : x
  2. Step 2: Convert to fraction form
    117,724.24/162,462.66 = 64,012.96/x
  3. Step 3: Cross multiply
    117,724.24x = 162,462.66 × 64,012.96
  4. Step 4: Simplify right side
    117,724.24x = 10,399,715,756.07
  5. Step 5: Solve for x
    x = 10,399,715,756.07/117,724.24
  6. Step 6: Final answer
    x = 88,339.63

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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.