Home / 121,074.36-181,609.58-54,467.39

Finding the Fourth Proportional to 121,074.36, 181,609.58 and 54,467.39

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Solution

The fourth proportional to 121,074.36, 181,609.58 and 54,467.39 is: 81,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,074.36 : 181,609.58 = 54,467.39 : x
  2. Step 2: Convert to fraction form
    121,074.36/181,609.58 = 54,467.39/x
  3. Step 3: Cross multiply
    121,074.36x = 181,609.58 × 54,467.39
  4. Step 4: Simplify right side
    121,074.36x = 9,891,799,821.60
  5. Step 5: Solve for x
    x = 9,891,799,821.60/121,074.36
  6. Step 6: Final answer
    x = 81,700.20

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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.