Home / 67,021.94-92,490.36-36,809.22

Finding the Fourth Proportional to 67,021.94, 92,490.36 and 36,809.22

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Solution

The fourth proportional to 67,021.94, 92,490.36 and 36,809.22 is: 50,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,021.94 : 92,490.36 = 36,809.22 : x
  2. Step 2: Convert to fraction form
    67,021.94/92,490.36 = 36,809.22/x
  3. Step 3: Cross multiply
    67,021.94x = 92,490.36 × 36,809.22
  4. Step 4: Simplify right side
    67,021.94x = 3,404,498,009.12
  5. Step 5: Solve for x
    x = 3,404,498,009.12/67,021.94
  6. Step 6: Final answer
    x = 50,796.77

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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.