Home / 66,665.42-91,998.33-36,450.26

Finding the Fourth Proportional to 66,665.42, 91,998.33 and 36,450.26

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Solution

The fourth proportional to 66,665.42, 91,998.33 and 36,450.26 is: 50,301.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,665.42 : 91,998.33 = 36,450.26 : x
  2. Step 2: Convert to fraction form
    66,665.42/91,998.33 = 36,450.26/x
  3. Step 3: Cross multiply
    66,665.42x = 91,998.33 × 36,450.26
  4. Step 4: Simplify right side
    66,665.42x = 3,353,363,048.07
  5. Step 5: Solve for x
    x = 3,353,363,048.07/66,665.42
  6. Step 6: Final answer
    x = 50,301.39

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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.