Home / 105,918.10-158,876.99-27,032.32

Finding the Fourth Proportional to 105,918.10, 158,876.99 and 27,032.32

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Solution

The fourth proportional to 105,918.10, 158,876.99 and 27,032.32 is: 40,548.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,918.10 : 158,876.99 = 27,032.32 : x
  2. Step 2: Convert to fraction form
    105,918.10/158,876.99 = 27,032.32/x
  3. Step 3: Cross multiply
    105,918.10x = 158,876.99 × 27,032.32
  4. Step 4: Simplify right side
    105,918.10x = 4,294,813,304.71
  5. Step 5: Solve for x
    x = 4,294,813,304.71/105,918.10
  6. Step 6: Final answer
    x = 40,548.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.