Home / 103,680.06-155,440.17-33,540.54

Finding the Fourth Proportional to 103,680.06, 155,440.17 and 33,540.54

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Solution

The fourth proportional to 103,680.06, 155,440.17 and 33,540.54 is: 50,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680.06 : 155,440.17 = 33,540.54 : x
  2. Step 2: Convert to fraction form
    103,680.06/155,440.17 = 33,540.54/x
  3. Step 3: Cross multiply
    103,680.06x = 155,440.17 × 33,540.54
  4. Step 4: Simplify right side
    103,680.06x = 5,213,547,239.49
  5. Step 5: Solve for x
    x = 5,213,547,239.49/103,680.06
  6. Step 6: Final answer
    x = 50,284.96

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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.