Home / 121,016.68-181,544.54-50,916.04

Finding the Fourth Proportional to 121,016.68, 181,544.54 and 50,916.04

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Solution

The fourth proportional to 121,016.68, 181,544.54 and 50,916.04 is: 76,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,016.68 : 181,544.54 = 50,916.04 : x
  2. Step 2: Convert to fraction form
    121,016.68/181,544.54 = 50,916.04/x
  3. Step 3: Cross multiply
    121,016.68x = 181,544.54 × 50,916.04
  4. Step 4: Simplify right side
    121,016.68x = 9,243,529,060.42
  5. Step 5: Solve for x
    x = 9,243,529,060.42/121,016.68
  6. Step 6: Final answer
    x = 76,382.27

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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.