Home / 89,961.39-124,157.67-52,235.64

Finding the Fourth Proportional to 89,961.39, 124,157.67 and 52,235.64

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Solution

The fourth proportional to 89,961.39, 124,157.67 and 52,235.64 is: 72,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,961.39 : 124,157.67 = 52,235.64 : x
  2. Step 2: Convert to fraction form
    89,961.39/124,157.67 = 52,235.64/x
  3. Step 3: Cross multiply
    89,961.39x = 124,157.67 × 52,235.64
  4. Step 4: Simplify right side
    89,961.39x = 6,485,455,353.36
  5. Step 5: Solve for x
    x = 6,485,455,353.36/89,961.39
  6. Step 6: Final answer
    x = 72,091.54

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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.