Home / 57,247.07-78,949.25-35,738.79

Finding the Fourth Proportional to 57,247.07, 78,949.25 and 35,738.79

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Solution

The fourth proportional to 57,247.07, 78,949.25 and 35,738.79 is: 49,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,247.07 : 78,949.25 = 35,738.79 : x
  2. Step 2: Convert to fraction form
    57,247.07/78,949.25 = 35,738.79/x
  3. Step 3: Cross multiply
    57,247.07x = 78,949.25 × 35,738.79
  4. Step 4: Simplify right side
    57,247.07x = 2,821,550,325.67
  5. Step 5: Solve for x
    x = 2,821,550,325.67/57,247.07
  6. Step 6: Final answer
    x = 49,287.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.