Home / 97,028.69-133,892.19-54,579.02

Finding the Fourth Proportional to 97,028.69, 133,892.19 and 54,579.02

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Solution

The fourth proportional to 97,028.69, 133,892.19 and 54,579.02 is: 75,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,028.69 : 133,892.19 = 54,579.02 : x
  2. Step 2: Convert to fraction form
    97,028.69/133,892.19 = 54,579.02/x
  3. Step 3: Cross multiply
    97,028.69x = 133,892.19 × 54,579.02
  4. Step 4: Simplify right side
    97,028.69x = 7,307,703,846.39
  5. Step 5: Solve for x
    x = 7,307,703,846.39/97,028.69
  6. Step 6: Final answer
    x = 75,314.88

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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.