Home / 49,101.26-67,762.44-28,969.92

Finding the Fourth Proportional to 49,101.26, 67,762.44 and 28,969.92

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Solution

The fourth proportional to 49,101.26, 67,762.44 and 28,969.92 is: 39,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,101.26 : 67,762.44 = 28,969.92 : x
  2. Step 2: Convert to fraction form
    49,101.26/67,762.44 = 28,969.92/x
  3. Step 3: Cross multiply
    49,101.26x = 67,762.44 × 28,969.92
  4. Step 4: Simplify right side
    49,101.26x = 1,963,072,465.80
  5. Step 5: Solve for x
    x = 1,963,072,465.80/49,101.26
  6. Step 6: Final answer
    x = 39,980.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.