Home / 67,721.16-101,169.90-43,834.10

Finding the Fourth Proportional to 67,721.16, 101,169.90 and 43,834.10

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Solution

The fourth proportional to 67,721.16, 101,169.90 and 43,834.10 is: 65,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,721.16 : 101,169.90 = 43,834.10 : x
  2. Step 2: Convert to fraction form
    67,721.16/101,169.90 = 43,834.10/x
  3. Step 3: Cross multiply
    67,721.16x = 101,169.90 × 43,834.10
  4. Step 4: Simplify right side
    67,721.16x = 4,434,691,222.75
  5. Step 5: Solve for x
    x = 4,434,691,222.75/67,721.16
  6. Step 6: Final answer
    x = 65,484.58

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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.