Home / 109,772.73-164,560.68-39,635.64

Finding the Fourth Proportional to 109,772.73, 164,560.68 and 39,635.64

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Solution

The fourth proportional to 109,772.73, 164,560.68 and 39,635.64 is: 59,417.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,772.73 : 164,560.68 = 39,635.64 : x
  2. Step 2: Convert to fraction form
    109,772.73/164,560.68 = 39,635.64/x
  3. Step 3: Cross multiply
    109,772.73x = 164,560.68 × 39,635.64
  4. Step 4: Simplify right side
    109,772.73x = 6,522,467,870.64
  5. Step 5: Solve for x
    x = 6,522,467,870.64/109,772.73
  6. Step 6: Final answer
    x = 59,417.93

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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.