Home / 108,370.36-149,562.38-62,431.60

Finding the Fourth Proportional to 108,370.36, 149,562.38 and 62,431.60

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Solution

The fourth proportional to 108,370.36, 149,562.38 and 62,431.60 is: 86,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,370.36 : 149,562.38 = 62,431.60 : x
  2. Step 2: Convert to fraction form
    108,370.36/149,562.38 = 62,431.60/x
  3. Step 3: Cross multiply
    108,370.36x = 149,562.38 × 62,431.60
  4. Step 4: Simplify right side
    108,370.36x = 9,337,418,683.21
  5. Step 5: Solve for x
    x = 9,337,418,683.21/108,370.36
  6. Step 6: Final answer
    x = 86,162.11

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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.