Home / 51,222.80-70,662.34-34,231.22

Finding the Fourth Proportional to 51,222.80, 70,662.34 and 34,231.22

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Solution

The fourth proportional to 51,222.80, 70,662.34 and 34,231.22 is: 47,222.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222.80 : 70,662.34 = 34,231.22 : x
  2. Step 2: Convert to fraction form
    51,222.80/70,662.34 = 34,231.22/x
  3. Step 3: Cross multiply
    51,222.80x = 70,662.34 × 34,231.22
  4. Step 4: Simplify right side
    51,222.80x = 2,418,858,106.25
  5. Step 5: Solve for x
    x = 2,418,858,106.25/51,222.80
  6. Step 6: Final answer
    x = 47,222.29

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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.