Home / 76,567.97-114,766.85-57,787.11

Finding the Fourth Proportional to 76,567.97, 114,766.85 and 57,787.11

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Solution

The fourth proportional to 76,567.97, 114,766.85 and 57,787.11 is: 86,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,567.97 : 114,766.85 = 57,787.11 : x
  2. Step 2: Convert to fraction form
    76,567.97/114,766.85 = 57,787.11/x
  3. Step 3: Cross multiply
    76,567.97x = 114,766.85 × 57,787.11
  4. Step 4: Simplify right side
    76,567.97x = 6,632,044,296.37
  5. Step 5: Solve for x
    x = 6,632,044,296.37/76,567.97
  6. Step 6: Final answer
    x = 86,616.44

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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.