Home / 102,173.22-140,997.69-57,461.22

Finding the Fourth Proportional to 102,173.22, 140,997.69 and 57,461.22

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Solution

The fourth proportional to 102,173.22, 140,997.69 and 57,461.22 is: 79,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,173.22 : 140,997.69 = 57,461.22 : x
  2. Step 2: Convert to fraction form
    102,173.22/140,997.69 = 57,461.22/x
  3. Step 3: Cross multiply
    102,173.22x = 140,997.69 × 57,461.22
  4. Step 4: Simplify right side
    102,173.22x = 8,101,899,284.58
  5. Step 5: Solve for x
    x = 8,101,899,284.58/102,173.22
  6. Step 6: Final answer
    x = 79,295.72

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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.