Home / 66,782.06-92,161.73-38,106.39

Finding the Fourth Proportional to 66,782.06, 92,161.73 and 38,106.39

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Solution

The fourth proportional to 66,782.06, 92,161.73 and 38,106.39 is: 52,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,782.06 : 92,161.73 = 38,106.39 : x
  2. Step 2: Convert to fraction form
    66,782.06/92,161.73 = 38,106.39/x
  3. Step 3: Cross multiply
    66,782.06x = 92,161.73 × 38,106.39
  4. Step 4: Simplify right side
    66,782.06x = 3,511,950,635.92
  5. Step 5: Solve for x
    x = 3,511,950,635.92/66,782.06
  6. Step 6: Final answer
    x = 52,588.23

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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.