Home / 117,889.74-162,687.86-64,175.16

Finding the Fourth Proportional to 117,889.74, 162,687.86 and 64,175.16

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Solution

The fourth proportional to 117,889.74, 162,687.86 and 64,175.16 is: 88,561.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,889.74 : 162,687.86 = 64,175.16 : x
  2. Step 2: Convert to fraction form
    117,889.74/162,687.86 = 64,175.16/x
  3. Step 3: Cross multiply
    117,889.74x = 162,687.86 × 64,175.16
  4. Step 4: Simplify right side
    117,889.74x = 10,440,519,124.68
  5. Step 5: Solve for x
    x = 10,440,519,124.68/117,889.74
  6. Step 6: Final answer
    x = 88,561.73

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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.