Home / 108,290.19-149,380.46-62,963.16

Finding the Fourth Proportional to 108,290.19, 149,380.46 and 62,963.16

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Solution

The fourth proportional to 108,290.19, 149,380.46 and 62,963.16 is: 86,854.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,290.19 : 149,380.46 = 62,963.16 : x
  2. Step 2: Convert to fraction form
    108,290.19/149,380.46 = 62,963.16/x
  3. Step 3: Cross multiply
    108,290.19x = 149,380.46 × 62,963.16
  4. Step 4: Simplify right side
    108,290.19x = 9,405,465,961.26
  5. Step 5: Solve for x
    x = 9,405,465,961.26/108,290.19
  6. Step 6: Final answer
    x = 86,854.28

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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.