Home / 82,076.22-122,991.12-63,328.14

Finding the Fourth Proportional to 82,076.22, 122,991.12 and 63,328.14

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Solution

The fourth proportional to 82,076.22, 122,991.12 and 63,328.14 is: 94,897.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,076.22 : 122,991.12 = 63,328.14 : x
  2. Step 2: Convert to fraction form
    82,076.22/122,991.12 = 63,328.14/x
  3. Step 3: Cross multiply
    82,076.22x = 122,991.12 × 63,328.14
  4. Step 4: Simplify right side
    82,076.22x = 7,788,798,866.12
  5. Step 5: Solve for x
    x = 7,788,798,866.12/82,076.22
  6. Step 6: Final answer
    x = 94,897.14

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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.