Home / 105,963.78-146,165.16-62,914.06

Finding the Fourth Proportional to 105,963.78, 146,165.16 and 62,914.06

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Solution

The fourth proportional to 105,963.78, 146,165.16 and 62,914.06 is: 86,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,963.78 : 146,165.16 = 62,914.06 : x
  2. Step 2: Convert to fraction form
    105,963.78/146,165.16 = 62,914.06/x
  3. Step 3: Cross multiply
    105,963.78x = 146,165.16 × 62,914.06
  4. Step 4: Simplify right side
    105,963.78x = 9,195,843,646.15
  5. Step 5: Solve for x
    x = 9,195,843,646.15/105,963.78
  6. Step 6: Final answer
    x = 86,782.90

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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.