Home / 102,949.72-154,309.83-46,705.48

Finding the Fourth Proportional to 102,949.72, 154,309.83 and 46,705.48

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Solution

The fourth proportional to 102,949.72, 154,309.83 and 46,705.48 is: 70,006.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,949.72 : 154,309.83 = 46,705.48 : x
  2. Step 2: Convert to fraction form
    102,949.72/154,309.83 = 46,705.48/x
  3. Step 3: Cross multiply
    102,949.72x = 154,309.83 × 46,705.48
  4. Step 4: Simplify right side
    102,949.72x = 7,207,114,678.87
  5. Step 5: Solve for x
    x = 7,207,114,678.87/102,949.72
  6. Step 6: Final answer
    x = 70,006.16

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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.