Home / 106,411.42-146,853.19-58,664.65

Finding the Fourth Proportional to 106,411.42, 146,853.19 and 58,664.65

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Solution

The fourth proportional to 106,411.42, 146,853.19 and 58,664.65 is: 80,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,411.42 : 146,853.19 = 58,664.65 : x
  2. Step 2: Convert to fraction form
    106,411.42/146,853.19 = 58,664.65/x
  3. Step 3: Cross multiply
    106,411.42x = 146,853.19 × 58,664.65
  4. Step 4: Simplify right side
    106,411.42x = 8,615,090,699.41
  5. Step 5: Solve for x
    x = 8,615,090,699.41/106,411.42
  6. Step 6: Final answer
    x = 80,960.21

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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.