Home / 75,930.77-104,788.55-43,665.01

Finding the Fourth Proportional to 75,930.77, 104,788.55 and 43,665.01

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Solution

The fourth proportional to 75,930.77, 104,788.55 and 43,665.01 is: 60,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,930.77 : 104,788.55 = 43,665.01 : x
  2. Step 2: Convert to fraction form
    75,930.77/104,788.55 = 43,665.01/x
  3. Step 3: Cross multiply
    75,930.77x = 104,788.55 × 43,665.01
  4. Step 4: Simplify right side
    75,930.77x = 4,575,592,930.83
  5. Step 5: Solve for x
    x = 4,575,592,930.83/75,930.77
  6. Step 6: Final answer
    x = 60,260.06

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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.