Home / 121,016.16-181,561.08-61,893.36

Finding the Fourth Proportional to 121,016.16, 181,561.08 and 61,893.36

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Solution

The fourth proportional to 121,016.16, 181,561.08 and 61,893.36 is: 92,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,016.16 : 181,561.08 = 61,893.36 : x
  2. Step 2: Convert to fraction form
    121,016.16/181,561.08 = 61,893.36/x
  3. Step 3: Cross multiply
    121,016.16x = 181,561.08 × 61,893.36
  4. Step 4: Simplify right side
    121,016.16x = 11,237,425,286.43
  5. Step 5: Solve for x
    x = 11,237,425,286.43/121,016.16
  6. Step 6: Final answer
    x = 92,858.88

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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.