Home / 66,412.11-99,647.60-34,814.63

Finding the Fourth Proportional to 66,412.11, 99,647.60 and 34,814.63

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Solution

The fourth proportional to 66,412.11, 99,647.60 and 34,814.63 is: 52,237.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,412.11 : 99,647.60 = 34,814.63 : x
  2. Step 2: Convert to fraction form
    66,412.11/99,647.60 = 34,814.63/x
  3. Step 3: Cross multiply
    66,412.11x = 99,647.60 × 34,814.63
  4. Step 4: Simplify right side
    66,412.11x = 3,469,194,324.39
  5. Step 5: Solve for x
    x = 3,469,194,324.39/66,412.11
  6. Step 6: Final answer
    x = 52,237.38

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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.