Home / 124,274.62-171,498.94-67,686

Finding the Fourth Proportional to 124,274.62, 171,498.94 and 67,686

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Solution

The fourth proportional to 124,274.62, 171,498.94 and 67,686 is: 93,406.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,274.62 : 171,498.94 = 67,686 : x
  2. Step 2: Convert to fraction form
    124,274.62/171,498.94 = 67,686/x
  3. Step 3: Cross multiply
    124,274.62x = 171,498.94 × 67,686
  4. Step 4: Simplify right side
    124,274.62x = 11,608,077,252.84
  5. Step 5: Solve for x
    x = 11,608,077,252.84/124,274.62
  6. Step 6: Final answer
    x = 93,406.66

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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.