Home / 115,738.70-173,665.65-45,620.30

Finding the Fourth Proportional to 115,738.70, 173,665.65 and 45,620.30

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Solution

The fourth proportional to 115,738.70, 173,665.65 and 45,620.30 is: 68,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,738.70 : 173,665.65 = 45,620.30 : x
  2. Step 2: Convert to fraction form
    115,738.70/173,665.65 = 45,620.30/x
  3. Step 3: Cross multiply
    115,738.70x = 173,665.65 × 45,620.30
  4. Step 4: Simplify right side
    115,738.70x = 7,922,679,052.70
  5. Step 5: Solve for x
    x = 7,922,679,052.70/115,738.70
  6. Step 6: Final answer
    x = 68,453.15

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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.