Home / 124,833.51-187,245.41-68,784.75

Finding the Fourth Proportional to 124,833.51, 187,245.41 and 68,784.75

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Solution

The fourth proportional to 124,833.51, 187,245.41 and 68,784.75 is: 103,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,833.51 : 187,245.41 = 68,784.75 : x
  2. Step 2: Convert to fraction form
    124,833.51/187,245.41 = 68,784.75/x
  3. Step 3: Cross multiply
    124,833.51x = 187,245.41 × 68,784.75
  4. Step 4: Simplify right side
    124,833.51x = 12,879,628,371.57
  5. Step 5: Solve for x
    x = 12,879,628,371.57/124,833.51
  6. Step 6: Final answer
    x = 103,174.45

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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.