Home / 67,982.20-102,038.16-41,738.20

Finding the Fourth Proportional to 67,982.20, 102,038.16 and 41,738.20

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Solution

The fourth proportional to 67,982.20, 102,038.16 and 41,738.20 is: 62,647.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,982.20 : 102,038.16 = 41,738.20 : x
  2. Step 2: Convert to fraction form
    67,982.20/102,038.16 = 41,738.20/x
  3. Step 3: Cross multiply
    67,982.20x = 102,038.16 × 41,738.20
  4. Step 4: Simplify right side
    67,982.20x = 4,258,889,129.71
  5. Step 5: Solve for x
    x = 4,258,889,129.71/67,982.20
  6. Step 6: Final answer
    x = 62,647.12

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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.