Home / 67,079.98-92,529.20-39,837.56

Finding the Fourth Proportional to 67,079.98, 92,529.20 and 39,837.56

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Solution

The fourth proportional to 67,079.98, 92,529.20 and 39,837.56 is: 54,951.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,079.98 : 92,529.20 = 39,837.56 : x
  2. Step 2: Convert to fraction form
    67,079.98/92,529.20 = 39,837.56/x
  3. Step 3: Cross multiply
    67,079.98x = 92,529.20 × 39,837.56
  4. Step 4: Simplify right side
    67,079.98x = 3,686,137,556.75
  5. Step 5: Solve for x
    x = 3,686,137,556.75/67,079.98
  6. Step 6: Final answer
    x = 54,951.38

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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.