Home / 52,203.38-78,304.39-12,760.84

Finding the Fourth Proportional to 52,203.38, 78,304.39 and 12,760.84

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Solution

The fourth proportional to 52,203.38, 78,304.39 and 12,760.84 is: 19,141.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,203.38 : 78,304.39 = 12,760.84 : x
  2. Step 2: Convert to fraction form
    52,203.38/78,304.39 = 12,760.84/x
  3. Step 3: Cross multiply
    52,203.38x = 78,304.39 × 12,760.84
  4. Step 4: Simplify right side
    52,203.38x = 999,229,792.09
  5. Step 5: Solve for x
    x = 999,229,792.09/52,203.38
  6. Step 6: Final answer
    x = 19,141.09

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1.5x scale

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.