Home / 108,313.36-149,412.37-62,986.36

Finding the Fourth Proportional to 108,313.36, 149,412.37 and 62,986.36

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Solution

The fourth proportional to 108,313.36, 149,412.37 and 62,986.36 is: 86,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,313.36 : 149,412.37 = 62,986.36 : x
  2. Step 2: Convert to fraction form
    108,313.36/149,412.37 = 62,986.36/x
  3. Step 3: Cross multiply
    108,313.36x = 149,412.37 × 62,986.36
  4. Step 4: Simplify right side
    108,313.36x = 9,410,940,263.28
  5. Step 5: Solve for x
    x = 9,410,940,263.28/108,313.36
  6. Step 6: Final answer
    x = 86,886.24

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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.