Home / 103,819.06-155,702.67-33,718.42

Finding the Fourth Proportional to 103,819.06, 155,702.67 and 33,718.42

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Solution

The fourth proportional to 103,819.06, 155,702.67 and 33,718.42 is: 50,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,819.06 : 155,702.67 = 33,718.42 : x
  2. Step 2: Convert to fraction form
    103,819.06/155,702.67 = 33,718.42/x
  3. Step 3: Cross multiply
    103,819.06x = 155,702.67 × 33,718.42
  4. Step 4: Simplify right side
    103,819.06x = 5,250,048,022.18
  5. Step 5: Solve for x
    x = 5,250,048,022.18/103,819.06
  6. Step 6: Final answer
    x = 50,569.21

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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.