Home / 49,840.10-68,639.37-48,751.46

Finding the Fourth Proportional to 49,840.10, 68,639.37 and 48,751.46

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Solution

The fourth proportional to 49,840.10, 68,639.37 and 48,751.46 is: 67,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,840.10 : 68,639.37 = 48,751.46 : x
  2. Step 2: Convert to fraction form
    49,840.10/68,639.37 = 48,751.46/x
  3. Step 3: Cross multiply
    49,840.10x = 68,639.37 × 48,751.46
  4. Step 4: Simplify right side
    49,840.10x = 3,346,269,500.98
  5. Step 5: Solve for x
    x = 3,346,269,500.98/49,840.10
  6. Step 6: Final answer
    x = 67,140.10

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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.