Home / 121,073.36-181,608.08-54,466.39

Finding the Fourth Proportional to 121,073.36, 181,608.08 and 54,466.39

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Solution

The fourth proportional to 121,073.36, 181,608.08 and 54,466.39 is: 81,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,073.36 : 181,608.08 = 54,466.39 : x
  2. Step 2: Convert to fraction form
    121,073.36/181,608.08 = 54,466.39/x
  3. Step 3: Cross multiply
    121,073.36x = 181,608.08 × 54,466.39
  4. Step 4: Simplify right side
    121,073.36x = 9,891,535,604.39
  5. Step 5: Solve for x
    x = 9,891,535,604.39/121,073.36
  6. Step 6: Final answer
    x = 81,698.70

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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.