Home / 89,933.87-124,107.21-49,646.60

Finding the Fourth Proportional to 89,933.87, 124,107.21 and 49,646.60

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Solution

The fourth proportional to 89,933.87, 124,107.21 and 49,646.60 is: 68,511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,933.87 : 124,107.21 = 49,646.60 : x
  2. Step 2: Convert to fraction form
    89,933.87/124,107.21 = 49,646.60/x
  3. Step 3: Cross multiply
    89,933.87x = 124,107.21 × 49,646.60
  4. Step 4: Simplify right side
    89,933.87x = 6,161,501,011.99
  5. Step 5: Solve for x
    x = 6,161,501,011.99/89,933.87
  6. Step 6: Final answer
    x = 68,511.46

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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.