Home / 117,519.42-162,172.38-63,803.30

Finding the Fourth Proportional to 117,519.42, 162,172.38 and 63,803.30

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Solution

The fourth proportional to 117,519.42, 162,172.38 and 63,803.30 is: 88,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,519.42 : 162,172.38 = 63,803.30 : x
  2. Step 2: Convert to fraction form
    117,519.42/162,172.38 = 63,803.30/x
  3. Step 3: Cross multiply
    117,519.42x = 162,172.38 × 63,803.30
  4. Step 4: Simplify right side
    117,519.42x = 10,347,132,082.36
  5. Step 5: Solve for x
    x = 10,347,132,082.36/117,519.42
  6. Step 6: Final answer
    x = 88,046.14

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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.