Home / 117,719.46-162,449.28-64,004.58

Finding the Fourth Proportional to 117,719.46, 162,449.28 and 64,004.58

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Solution

The fourth proportional to 117,719.46, 162,449.28 and 64,004.58 is: 88,324.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,719.46 : 162,449.28 = 64,004.58 : x
  2. Step 2: Convert to fraction form
    117,719.46/162,449.28 = 64,004.58/x
  3. Step 3: Cross multiply
    117,719.46x = 162,449.28 × 64,004.58
  4. Step 4: Simplify right side
    117,719.46x = 10,397,497,937.70
  5. Step 5: Solve for x
    x = 10,397,497,937.70/117,719.46
  6. Step 6: Final answer
    x = 88,324.38

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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.