Home / 117,177.39-161,704.74-63,462.40

Finding the Fourth Proportional to 117,177.39, 161,704.74 and 63,462.40

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Solution

The fourth proportional to 117,177.39, 161,704.74 and 63,462.40 is: 87,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,177.39 : 161,704.74 = 63,462.40 : x
  2. Step 2: Convert to fraction form
    117,177.39/161,704.74 = 63,462.40/x
  3. Step 3: Cross multiply
    117,177.39x = 161,704.74 × 63,462.40
  4. Step 4: Simplify right side
    117,177.39x = 10,262,170,891.78
  5. Step 5: Solve for x
    x = 10,262,170,891.78/117,177.39
  6. Step 6: Final answer
    x = 87,578.08

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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.