Home / 49,935.10-74,920.11-31,193.16

Finding the Fourth Proportional to 49,935.10, 74,920.11 and 31,193.16

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Solution

The fourth proportional to 49,935.10, 74,920.11 and 31,193.16 is: 46,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,935.10 : 74,920.11 = 31,193.16 : x
  2. Step 2: Convert to fraction form
    49,935.10/74,920.11 = 31,193.16/x
  3. Step 3: Cross multiply
    49,935.10x = 74,920.11 × 31,193.16
  4. Step 4: Simplify right side
    49,935.10x = 2,336,994,603.85
  5. Step 5: Solve for x
    x = 2,336,994,603.85/49,935.10
  6. Step 6: Final answer
    x = 46,800.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.