Home / 67,021.57-92,491.40-36,395.98

Finding the Fourth Proportional to 67,021.57, 92,491.40 and 36,395.98

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Solution

The fourth proportional to 67,021.57, 92,491.40 and 36,395.98 is: 50,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,021.57 : 92,491.40 = 36,395.98 : x
  2. Step 2: Convert to fraction form
    67,021.57/92,491.40 = 36,395.98/x
  3. Step 3: Cross multiply
    67,021.57x = 92,491.40 × 36,395.98
  4. Step 4: Simplify right side
    67,021.57x = 3,366,315,004.33
  5. Step 5: Solve for x
    x = 3,366,315,004.33/67,021.57
  6. Step 6: Final answer
    x = 50,227.34

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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.