Home / 97,996.26-135,232.41-57,168.21

Finding the Fourth Proportional to 97,996.26, 135,232.41 and 57,168.21

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Solution

The fourth proportional to 97,996.26, 135,232.41 and 57,168.21 is: 78,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,996.26 : 135,232.41 = 57,168.21 : x
  2. Step 2: Convert to fraction form
    97,996.26/135,232.41 = 57,168.21/x
  3. Step 3: Cross multiply
    97,996.26x = 135,232.41 × 57,168.21
  4. Step 4: Simplify right side
    97,996.26x = 7,730,994,813.69
  5. Step 5: Solve for x
    x = 7,730,994,813.69/97,996.26
  6. Step 6: Final answer
    x = 78,890.71

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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.