Home / 77,825.02-107,351.97-49,093.93

Finding the Fourth Proportional to 77,825.02, 107,351.97 and 49,093.93

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Solution

The fourth proportional to 77,825.02, 107,351.97 and 49,093.93 is: 67,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,825.02 : 107,351.97 = 49,093.93 : x
  2. Step 2: Convert to fraction form
    77,825.02/107,351.97 = 49,093.93/x
  3. Step 3: Cross multiply
    77,825.02x = 107,351.97 × 49,093.93
  4. Step 4: Simplify right side
    77,825.02x = 5,270,330,100.54
  5. Step 5: Solve for x
    x = 5,270,330,100.54/77,825.02
  6. Step 6: Final answer
    x = 67,720.25

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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.