Home / 123,732.48-170,751.27-67,143.84

Finding the Fourth Proportional to 123,732.48, 170,751.27 and 67,143.84

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Solution

The fourth proportional to 123,732.48, 170,751.27 and 67,143.84 is: 92,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,732.48 : 170,751.27 = 67,143.84 : x
  2. Step 2: Convert to fraction form
    123,732.48/170,751.27 = 67,143.84/x
  3. Step 3: Cross multiply
    123,732.48x = 170,751.27 × 67,143.84
  4. Step 4: Simplify right side
    123,732.48x = 11,464,895,952.68
  5. Step 5: Solve for x
    x = 11,464,895,952.68/123,732.48
  6. Step 6: Final answer
    x = 92,658.74

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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.