Home / 120,724.77-181,119.36-41,838.93

Finding the Fourth Proportional to 120,724.77, 181,119.36 and 41,838.93

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Solution

The fourth proportional to 120,724.77, 181,119.36 and 41,838.93 is: 62,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,724.77 : 181,119.36 = 41,838.93 : x
  2. Step 2: Convert to fraction form
    120,724.77/181,119.36 = 41,838.93/x
  3. Step 3: Cross multiply
    120,724.77x = 181,119.36 × 41,838.93
  4. Step 4: Simplify right side
    120,724.77x = 7,577,840,224.68
  5. Step 5: Solve for x
    x = 7,577,840,224.68/120,724.77
  6. Step 6: Final answer
    x = 62,769.56

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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.