Home / 49,111.11-67,772.97-28,968.03

Finding the Fourth Proportional to 49,111.11, 67,772.97 and 28,968.03

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Solution

The fourth proportional to 49,111.11, 67,772.97 and 28,968.03 is: 39,975.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,111.11 : 67,772.97 = 28,968.03 : x
  2. Step 2: Convert to fraction form
    49,111.11/67,772.97 = 28,968.03/x
  3. Step 3: Cross multiply
    49,111.11x = 67,772.97 × 28,968.03
  4. Step 4: Simplify right side
    49,111.11x = 1,963,249,428.15
  5. Step 5: Solve for x
    x = 1,963,249,428.15/49,111.11
  6. Step 6: Final answer
    x = 39,975.67

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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.