Home / 105,986.41-146,262.41-58,239.77

Finding the Fourth Proportional to 105,986.41, 146,262.41 and 58,239.77

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Solution

The fourth proportional to 105,986.41, 146,262.41 and 58,239.77 is: 80,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,986.41 : 146,262.41 = 58,239.77 : x
  2. Step 2: Convert to fraction form
    105,986.41/146,262.41 = 58,239.77/x
  3. Step 3: Cross multiply
    105,986.41x = 146,262.41 × 58,239.77
  4. Step 4: Simplify right side
    105,986.41x = 8,518,288,095.53
  5. Step 5: Solve for x
    x = 8,518,288,095.53/105,986.41
  6. Step 6: Final answer
    x = 80,371.51

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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.