Home / 117,518.45-162,175.79-63,803.71

Finding the Fourth Proportional to 117,518.45, 162,175.79 and 63,803.71

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Solution

The fourth proportional to 117,518.45, 162,175.79 and 63,803.71 is: 88,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,518.45 : 162,175.79 = 63,803.71 : x
  2. Step 2: Convert to fraction form
    117,518.45/162,175.79 = 63,803.71/x
  3. Step 3: Cross multiply
    117,518.45x = 162,175.79 × 63,803.71
  4. Step 4: Simplify right side
    117,518.45x = 10,347,416,828.25
  5. Step 5: Solve for x
    x = 10,347,416,828.25/117,518.45
  6. Step 6: Final answer
    x = 88,049.29

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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.