Home / 66,081.88-99,121.97-16,162.39

Finding the Fourth Proportional to 66,081.88, 99,121.97 and 16,162.39

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Solution

The fourth proportional to 66,081.88, 99,121.97 and 16,162.39 is: 24,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,081.88 : 99,121.97 = 16,162.39 : x
  2. Step 2: Convert to fraction form
    66,081.88/99,121.97 = 16,162.39/x
  3. Step 3: Cross multiply
    66,081.88x = 99,121.97 × 16,162.39
  4. Step 4: Simplify right side
    66,081.88x = 1,602,047,855.90
  5. Step 5: Solve for x
    x = 1,602,047,855.90/66,081.88
  6. Step 6: Final answer
    x = 24,243.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.