Home / 67,429.62-101,206.53-34,172.91

Finding the Fourth Proportional to 67,429.62, 101,206.53 and 34,172.91

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Solution

The fourth proportional to 67,429.62, 101,206.53 and 34,172.91 is: 51,290.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,429.62 : 101,206.53 = 34,172.91 : x
  2. Step 2: Convert to fraction form
    67,429.62/101,206.53 = 34,172.91/x
  3. Step 3: Cross multiply
    67,429.62x = 101,206.53 × 34,172.91
  4. Step 4: Simplify right side
    67,429.62x = 3,458,521,641.10
  5. Step 5: Solve for x
    x = 3,458,521,641.10/67,429.62
  6. Step 6: Final answer
    x = 51,290.84

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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.