Home / 114,940.83-172,355.71-40,059.21

Finding the Fourth Proportional to 114,940.83, 172,355.71 and 40,059.21

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Solution

The fourth proportional to 114,940.83, 172,355.71 and 40,059.21 is: 60,069.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,940.83 : 172,355.71 = 40,059.21 : x
  2. Step 2: Convert to fraction form
    114,940.83/172,355.71 = 40,059.21/x
  3. Step 3: Cross multiply
    114,940.83x = 172,355.71 × 40,059.21
  4. Step 4: Simplify right side
    114,940.83x = 6,904,433,581.59
  5. Step 5: Solve for x
    x = 6,904,433,581.59/114,940.83
  6. Step 6: Final answer
    x = 60,069.46

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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.