Home / 57,015.88-85,106.31-50,282.51

Finding the Fourth Proportional to 57,015.88, 85,106.31 and 50,282.51

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Solution

The fourth proportional to 57,015.88, 85,106.31 and 50,282.51 is: 75,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,015.88 : 85,106.31 = 50,282.51 : x
  2. Step 2: Convert to fraction form
    57,015.88/85,106.31 = 50,282.51/x
  3. Step 3: Cross multiply
    57,015.88x = 85,106.31 × 50,282.51
  4. Step 4: Simplify right side
    57,015.88x = 4,279,358,883.64
  5. Step 5: Solve for x
    x = 4,279,358,883.64/57,015.88
  6. Step 6: Final answer
    x = 75,055.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.