Home / 49,828.47-68,768.65-30,704.16

Finding the Fourth Proportional to 49,828.47, 68,768.65 and 30,704.16

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Solution

The fourth proportional to 49,828.47, 68,768.65 and 30,704.16 is: 42,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,828.47 : 68,768.65 = 30,704.16 : x
  2. Step 2: Convert to fraction form
    49,828.47/68,768.65 = 30,704.16/x
  3. Step 3: Cross multiply
    49,828.47x = 68,768.65 × 30,704.16
  4. Step 4: Simplify right side
    49,828.47x = 2,111,483,756.14
  5. Step 5: Solve for x
    x = 2,111,483,756.14/49,828.47
  6. Step 6: Final answer
    x = 42,375.05

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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.