Home / 106,397.66-146,828.73-58,651.80

Finding the Fourth Proportional to 106,397.66, 146,828.73 and 58,651.80

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Solution

The fourth proportional to 106,397.66, 146,828.73 and 58,651.80 is: 80,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,397.66 : 146,828.73 = 58,651.80 : x
  2. Step 2: Convert to fraction form
    106,397.66/146,828.73 = 58,651.80/x
  3. Step 3: Cross multiply
    106,397.66x = 146,828.73 × 58,651.80
  4. Step 4: Simplify right side
    106,397.66x = 8,611,769,306.21
  5. Step 5: Solve for x
    x = 8,611,769,306.21/106,397.66
  6. Step 6: Final answer
    x = 80,939.47

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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.