Home / 51,222.55-70,660.77-34,221.36

Finding the Fourth Proportional to 51,222.55, 70,660.77 and 34,221.36

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Solution

The fourth proportional to 51,222.55, 70,660.77 and 34,221.36 is: 47,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222.55 : 70,660.77 = 34,221.36 : x
  2. Step 2: Convert to fraction form
    51,222.55/70,660.77 = 34,221.36/x
  3. Step 3: Cross multiply
    51,222.55x = 70,660.77 × 34,221.36
  4. Step 4: Simplify right side
    51,222.55x = 2,418,107,648.05
  5. Step 5: Solve for x
    x = 2,418,107,648.05/51,222.55
  6. Step 6: Final answer
    x = 47,207.87

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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.