Home / 108,548.12-149,796.80-63,257.16

Finding the Fourth Proportional to 108,548.12, 149,796.80 and 63,257.16

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Solution

The fourth proportional to 108,548.12, 149,796.80 and 63,257.16 is: 87,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,548.12 : 149,796.80 = 63,257.16 : x
  2. Step 2: Convert to fraction form
    108,548.12/149,796.80 = 63,257.16/x
  3. Step 3: Cross multiply
    108,548.12x = 149,796.80 × 63,257.16
  4. Step 4: Simplify right side
    108,548.12x = 9,475,720,145.09
  5. Step 5: Solve for x
    x = 9,475,720,145.09/108,548.12
  6. Step 6: Final answer
    x = 87,295.11

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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.