Home / 105,813.23-146,024.66-58,069.61

Finding the Fourth Proportional to 105,813.23, 146,024.66 and 58,069.61

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Solution

The fourth proportional to 105,813.23, 146,024.66 and 58,069.61 is: 80,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,813.23 : 146,024.66 = 58,069.61 : x
  2. Step 2: Convert to fraction form
    105,813.23/146,024.66 = 58,069.61/x
  3. Step 3: Cross multiply
    105,813.23x = 146,024.66 × 58,069.61
  4. Step 4: Simplify right side
    105,813.23x = 8,479,594,036.11
  5. Step 5: Solve for x
    x = 8,479,594,036.11/105,813.23
  6. Step 6: Final answer
    x = 80,137.37

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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.