Home / 108,007.12-162,003.48-51,887.44

Finding the Fourth Proportional to 108,007.12, 162,003.48 and 51,887.44

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Solution

The fourth proportional to 108,007.12, 162,003.48 and 51,887.44 is: 77,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,007.12 : 162,003.48 = 51,887.44 : x
  2. Step 2: Convert to fraction form
    108,007.12/162,003.48 = 51,887.44/x
  3. Step 3: Cross multiply
    108,007.12x = 162,003.48 × 51,887.44
  4. Step 4: Simplify right side
    108,007.12x = 8,405,945,848.29
  5. Step 5: Solve for x
    x = 8,405,945,848.29/108,007.12
  6. Step 6: Final answer
    x = 77,827.70

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1.5x scale

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.