Home / 52,085.40-78,105.06-15,152.28

Finding the Fourth Proportional to 52,085.40, 78,105.06 and 15,152.28

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Solution

The fourth proportional to 52,085.40, 78,105.06 and 15,152.28 is: 22,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,085.40 : 78,105.06 = 15,152.28 : x
  2. Step 2: Convert to fraction form
    52,085.40/78,105.06 = 15,152.28/x
  3. Step 3: Cross multiply
    52,085.40x = 78,105.06 × 15,152.28
  4. Step 4: Simplify right side
    52,085.40x = 1,183,469,738.54
  5. Step 5: Solve for x
    x = 1,183,469,738.54/52,085.40
  6. Step 6: Final answer
    x = 22,721.72

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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.