Home / 67,021.35-92,525.38-51,674.38

Finding the Fourth Proportional to 67,021.35, 92,525.38 and 51,674.38

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Solution

The fourth proportional to 67,021.35, 92,525.38 and 51,674.38 is: 71,338.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,021.35 : 92,525.38 = 51,674.38 : x
  2. Step 2: Convert to fraction form
    67,021.35/92,525.38 = 51,674.38/x
  3. Step 3: Cross multiply
    67,021.35x = 92,525.38 × 51,674.38
  4. Step 4: Simplify right side
    67,021.35x = 4,781,191,645.76
  5. Step 5: Solve for x
    x = 4,781,191,645.76/67,021.35
  6. Step 6: Final answer
    x = 71,338.34

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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.