Home / 105,968.28-146,237.22-58,222.62

Finding the Fourth Proportional to 105,968.28, 146,237.22 and 58,222.62

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Solution

The fourth proportional to 105,968.28, 146,237.22 and 58,222.62 is: 80,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,968.28 : 146,237.22 = 58,222.62 : x
  2. Step 2: Convert to fraction form
    105,968.28/146,237.22 = 58,222.62/x
  3. Step 3: Cross multiply
    105,968.28x = 146,237.22 × 58,222.62
  4. Step 4: Simplify right side
    105,968.28x = 8,514,314,089.92
  5. Step 5: Solve for x
    x = 8,514,314,089.92/105,968.28
  6. Step 6: Final answer
    x = 80,347.76

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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.