Home / 108,898.78-150,237.43-62,928.04

Finding the Fourth Proportional to 108,898.78, 150,237.43 and 62,928.04

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Solution

The fourth proportional to 108,898.78, 150,237.43 and 62,928.04 is: 86,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,898.78 : 150,237.43 = 62,928.04 : x
  2. Step 2: Convert to fraction form
    108,898.78/150,237.43 = 62,928.04/x
  3. Step 3: Cross multiply
    108,898.78x = 150,237.43 × 62,928.04
  4. Step 4: Simplify right side
    108,898.78x = 9,454,147,004.54
  5. Step 5: Solve for x
    x = 9,454,147,004.54/108,898.78
  6. Step 6: Final answer
    x = 86,815.91

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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.