Home / 108,321.20-162,577.80-63,892.40

Finding the Fourth Proportional to 108,321.20, 162,577.80 and 63,892.40

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Solution

The fourth proportional to 108,321.20, 162,577.80 and 63,892.40 is: 95,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,321.20 : 162,577.80 = 63,892.40 : x
  2. Step 2: Convert to fraction form
    108,321.20/162,577.80 = 63,892.40/x
  3. Step 3: Cross multiply
    108,321.20x = 162,577.80 × 63,892.40
  4. Step 4: Simplify right side
    108,321.20x = 10,387,485,828.72
  5. Step 5: Solve for x
    x = 10,387,485,828.72/108,321.20
  6. Step 6: Final answer
    x = 95,895.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.