Home / 51,121.30-70,507.39-33,222.02

Finding the Fourth Proportional to 51,121.30, 70,507.39 and 33,222.02

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Solution

The fourth proportional to 51,121.30, 70,507.39 and 33,222.02 is: 45,820.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,121.30 : 70,507.39 = 33,222.02 : x
  2. Step 2: Convert to fraction form
    51,121.30/70,507.39 = 33,222.02/x
  3. Step 3: Cross multiply
    51,121.30x = 70,507.39 × 33,222.02
  4. Step 4: Simplify right side
    51,121.30x = 2,342,397,920.73
  5. Step 5: Solve for x
    x = 2,342,397,920.73/51,121.30
  6. Step 6: Final answer
    x = 45,820.39

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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.