Home / 109,431.12-164,146.86-62,651.64

Finding the Fourth Proportional to 109,431.12, 164,146.86 and 62,651.64

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Solution

The fourth proportional to 109,431.12, 164,146.86 and 62,651.64 is: 93,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,431.12 : 164,146.86 = 62,651.64 : x
  2. Step 2: Convert to fraction form
    109,431.12/164,146.86 = 62,651.64/x
  3. Step 3: Cross multiply
    109,431.12x = 164,146.86 × 62,651.64
  4. Step 4: Simplify right side
    109,431.12x = 10,284,069,979.85
  5. Step 5: Solve for x
    x = 10,284,069,979.85/109,431.12
  6. Step 6: Final answer
    x = 93,977.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.