Home / 121,005.14-181,544.62-61,882.34

Finding the Fourth Proportional to 121,005.14, 181,544.62 and 61,882.34

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Solution

The fourth proportional to 121,005.14, 181,544.62 and 61,882.34 is: 92,842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,005.14 : 181,544.62 = 61,882.34 : x
  2. Step 2: Convert to fraction form
    121,005.14/181,544.62 = 61,882.34/x
  3. Step 3: Cross multiply
    121,005.14x = 181,544.62 × 61,882.34
  4. Step 4: Simplify right side
    121,005.14x = 11,234,405,900.01
  5. Step 5: Solve for x
    x = 11,234,405,900.01/121,005.14
  6. Step 6: Final answer
    x = 92,842.39

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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.