Home / 107,381.76-161,072.49-45,052.26

Finding the Fourth Proportional to 107,381.76, 161,072.49 and 45,052.26

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Solution

The fourth proportional to 107,381.76, 161,072.49 and 45,052.26 is: 67,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,381.76 : 161,072.49 = 45,052.26 : x
  2. Step 2: Convert to fraction form
    107,381.76/161,072.49 = 45,052.26/x
  3. Step 3: Cross multiply
    107,381.76x = 161,072.49 × 45,052.26
  4. Step 4: Simplify right side
    107,381.76x = 7,256,679,698.33
  5. Step 5: Solve for x
    x = 7,256,679,698.33/107,381.76
  6. Step 6: Final answer
    x = 67,578.33

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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.