Home / 77,787.90-116,700.39-25,197.30

Finding the Fourth Proportional to 77,787.90, 116,700.39 and 25,197.30

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Solution

The fourth proportional to 77,787.90, 116,700.39 and 25,197.30 is: 37,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,787.90 : 116,700.39 = 25,197.30 : x
  2. Step 2: Convert to fraction form
    77,787.90/116,700.39 = 25,197.30/x
  3. Step 3: Cross multiply
    77,787.90x = 116,700.39 × 25,197.30
  4. Step 4: Simplify right side
    77,787.90x = 2,940,534,736.95
  5. Step 5: Solve for x
    x = 2,940,534,736.95/77,787.90
  6. Step 6: Final answer
    x = 37,801.96

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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.