Home / 105,406.24-145,464.21-60,090.93

Finding the Fourth Proportional to 105,406.24, 145,464.21 and 60,090.93

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Solution

The fourth proportional to 105,406.24, 145,464.21 and 60,090.93 is: 82,927.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,406.24 : 145,464.21 = 60,090.93 : x
  2. Step 2: Convert to fraction form
    105,406.24/145,464.21 = 60,090.93/x
  3. Step 3: Cross multiply
    105,406.24x = 145,464.21 × 60,090.93
  4. Step 4: Simplify right side
    105,406.24x = 8,741,079,660.62
  5. Step 5: Solve for x
    x = 8,741,079,660.62/105,406.24
  6. Step 6: Final answer
    x = 82,927.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.