Home / 121,003.49-181,514.84-36,771.01

Finding the Fourth Proportional to 121,003.49, 181,514.84 and 36,771.01

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Solution

The fourth proportional to 121,003.49, 181,514.84 and 36,771.01 is: 55,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,003.49 : 181,514.84 = 36,771.01 : x
  2. Step 2: Convert to fraction form
    121,003.49/181,514.84 = 36,771.01/x
  3. Step 3: Cross multiply
    121,003.49x = 181,514.84 × 36,771.01
  4. Step 4: Simplify right side
    121,003.49x = 6,674,483,359.15
  5. Step 5: Solve for x
    x = 6,674,483,359.15/121,003.49
  6. Step 6: Final answer
    x = 55,159.43

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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.