Home / 105,811.98-146,022.35-58,069.77

Finding the Fourth Proportional to 105,811.98, 146,022.35 and 58,069.77

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Solution

The fourth proportional to 105,811.98, 146,022.35 and 58,069.77 is: 80,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,811.98 : 146,022.35 = 58,069.77 : x
  2. Step 2: Convert to fraction form
    105,811.98/146,022.35 = 58,069.77/x
  3. Step 3: Cross multiply
    105,811.98x = 146,022.35 × 58,069.77
  4. Step 4: Simplify right side
    105,811.98x = 8,479,484,279.36
  5. Step 5: Solve for x
    x = 8,479,484,279.36/105,811.98
  6. Step 6: Final answer
    x = 80,137.28

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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.