Home / 76,940.88-115,426.28-29,552.50

Finding the Fourth Proportional to 76,940.88, 115,426.28 and 29,552.50

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Solution

The fourth proportional to 76,940.88, 115,426.28 and 29,552.50 is: 44,334.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,940.88 : 115,426.28 = 29,552.50 : x
  2. Step 2: Convert to fraction form
    76,940.88/115,426.28 = 29,552.50/x
  3. Step 3: Cross multiply
    76,940.88x = 115,426.28 × 29,552.50
  4. Step 4: Simplify right side
    76,940.88x = 3,411,135,139.70
  5. Step 5: Solve for x
    x = 3,411,135,139.70/76,940.88
  6. Step 6: Final answer
    x = 44,334.50

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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.