Home / 97,906.88-135,108.96-55,464.32

Finding the Fourth Proportional to 97,906.88, 135,108.96 and 55,464.32

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Solution

The fourth proportional to 97,906.88, 135,108.96 and 55,464.32 is: 76,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,906.88 : 135,108.96 = 55,464.32 : x
  2. Step 2: Convert to fraction form
    97,906.88/135,108.96 = 55,464.32/x
  3. Step 3: Cross multiply
    97,906.88x = 135,108.96 × 55,464.32
  4. Step 4: Simplify right side
    97,906.88x = 7,493,726,592.31
  5. Step 5: Solve for x
    x = 7,493,726,592.31/97,906.88
  6. Step 6: Final answer
    x = 76,539.33

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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.