Home / 49,918.32-74,553.84-45,228.96

Finding the Fourth Proportional to 49,918.32, 74,553.84 and 45,228.96

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Solution

The fourth proportional to 49,918.32, 74,553.84 and 45,228.96 is: 67,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,918.32 : 74,553.84 = 45,228.96 : x
  2. Step 2: Convert to fraction form
    49,918.32/74,553.84 = 45,228.96/x
  3. Step 3: Cross multiply
    49,918.32x = 74,553.84 × 45,228.96
  4. Step 4: Simplify right side
    49,918.32x = 3,371,992,647.21
  5. Step 5: Solve for x
    x = 3,371,992,647.21/49,918.32
  6. Step 6: Final answer
    x = 67,550.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.