Home / 66,843.36-92,240.31-38,161.89

Finding the Fourth Proportional to 66,843.36, 92,240.31 and 38,161.89

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Solution

The fourth proportional to 66,843.36, 92,240.31 and 38,161.89 is: 52,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,843.36 : 92,240.31 = 38,161.89 : x
  2. Step 2: Convert to fraction form
    66,843.36/92,240.31 = 38,161.89/x
  3. Step 3: Cross multiply
    66,843.36x = 92,240.31 × 38,161.89
  4. Step 4: Simplify right side
    66,843.36x = 3,520,064,563.79
  5. Step 5: Solve for x
    x = 3,520,064,563.79/66,843.36
  6. Step 6: Final answer
    x = 52,661.39

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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.