Home / 45,721.70-68,582.55-16,139.30

Finding the Fourth Proportional to 45,721.70, 68,582.55 and 16,139.30

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Solution

The fourth proportional to 45,721.70, 68,582.55 and 16,139.30 is: 24,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,721.70 : 68,582.55 = 16,139.30 : x
  2. Step 2: Convert to fraction form
    45,721.70/68,582.55 = 16,139.30/x
  3. Step 3: Cross multiply
    45,721.70x = 68,582.55 × 16,139.30
  4. Step 4: Simplify right side
    45,721.70x = 1,106,874,349.22
  5. Step 5: Solve for x
    x = 1,106,874,349.22/45,721.70
  6. Step 6: Final answer
    x = 24,208.95

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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.