Home / 106,487.06-146,940.80-58,740.41

Finding the Fourth Proportional to 106,487.06, 146,940.80 and 58,740.41

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Solution

The fourth proportional to 106,487.06, 146,940.80 and 58,740.41 is: 81,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,487.06 : 146,940.80 = 58,740.41 : x
  2. Step 2: Convert to fraction form
    106,487.06/146,940.80 = 58,740.41/x
  3. Step 3: Cross multiply
    106,487.06x = 146,940.80 × 58,740.41
  4. Step 4: Simplify right side
    106,487.06x = 8,631,363,131.65
  5. Step 5: Solve for x
    x = 8,631,363,131.65/106,487.06
  6. Step 6: Final answer
    x = 81,055.51

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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.