Home / 120,847.64-181,297.38-50,686.52

Finding the Fourth Proportional to 120,847.64, 181,297.38 and 50,686.52

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Solution

The fourth proportional to 120,847.64, 181,297.38 and 50,686.52 is: 76,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,847.64 : 181,297.38 = 50,686.52 : x
  2. Step 2: Convert to fraction form
    120,847.64/181,297.38 = 50,686.52/x
  3. Step 3: Cross multiply
    120,847.64x = 181,297.38 × 50,686.52
  4. Step 4: Simplify right side
    120,847.64x = 9,189,333,277.32
  5. Step 5: Solve for x
    x = 9,189,333,277.32/120,847.64
  6. Step 6: Final answer
    x = 76,040.65

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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.