Home / 88,228.73-121,756.39-47,942.49

Finding the Fourth Proportional to 88,228.73, 121,756.39 and 47,942.49

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Solution

The fourth proportional to 88,228.73, 121,756.39 and 47,942.49 is: 66,161.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,228.73 : 121,756.39 = 47,942.49 : x
  2. Step 2: Convert to fraction form
    88,228.73/121,756.39 = 47,942.49/x
  3. Step 3: Cross multiply
    88,228.73x = 121,756.39 × 47,942.49
  4. Step 4: Simplify right side
    88,228.73x = 5,837,304,846.74
  5. Step 5: Solve for x
    x = 5,837,304,846.74/88,228.73
  6. Step 6: Final answer
    x = 66,161.04

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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.