Home / 97,179.23-145,789.29-55,079.48

Finding the Fourth Proportional to 97,179.23, 145,789.29 and 55,079.48

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Solution

The fourth proportional to 97,179.23, 145,789.29 and 55,079.48 is: 82,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,179.23 : 145,789.29 = 55,079.48 : x
  2. Step 2: Convert to fraction form
    97,179.23/145,789.29 = 55,079.48/x
  3. Step 3: Cross multiply
    97,179.23x = 145,789.29 × 55,079.48
  4. Step 4: Simplify right side
    97,179.23x = 8,029,997,553.82
  5. Step 5: Solve for x
    x = 8,029,997,553.82/97,179.23
  6. Step 6: Final answer
    x = 82,630.80

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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.