Home / 123,850.22-170,923.84-70,144.79

Finding the Fourth Proportional to 123,850.22, 170,923.84 and 70,144.79

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Solution

The fourth proportional to 123,850.22, 170,923.84 and 70,144.79 is: 96,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,850.22 : 170,923.84 = 70,144.79 : x
  2. Step 2: Convert to fraction form
    123,850.22/170,923.84 = 70,144.79/x
  3. Step 3: Cross multiply
    123,850.22x = 170,923.84 × 70,144.79
  4. Step 4: Simplify right side
    123,850.22x = 11,989,415,832.81
  5. Step 5: Solve for x
    x = 11,989,415,832.81/123,850.22
  6. Step 6: Final answer
    x = 96,805.77

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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.