Home / 121,054.80-181,583.52-36,828.64

Finding the Fourth Proportional to 121,054.80, 181,583.52 and 36,828.64

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Solution

The fourth proportional to 121,054.80, 181,583.52 and 36,828.64 is: 55,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,054.80 : 181,583.52 = 36,828.64 : x
  2. Step 2: Convert to fraction form
    121,054.80/181,583.52 = 36,828.64/x
  3. Step 3: Cross multiply
    121,054.80x = 181,583.52 × 36,828.64
  4. Step 4: Simplify right side
    121,054.80x = 6,687,474,088.01
  5. Step 5: Solve for x
    x = 6,687,474,088.01/121,054.80
  6. Step 6: Final answer
    x = 55,243.36

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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.