Home / 120,711.76-181,026.63-41,807.54

Finding the Fourth Proportional to 120,711.76, 181,026.63 and 41,807.54

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Solution

The fourth proportional to 120,711.76, 181,026.63 and 41,807.54 is: 62,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,711.76 : 181,026.63 = 41,807.54 : x
  2. Step 2: Convert to fraction form
    120,711.76/181,026.63 = 41,807.54/x
  3. Step 3: Cross multiply
    120,711.76x = 181,026.63 × 41,807.54
  4. Step 4: Simplify right side
    120,711.76x = 7,568,278,527.36
  5. Step 5: Solve for x
    x = 7,568,278,527.36/120,711.76
  6. Step 6: Final answer
    x = 62,697.11

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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.