Home / 75,678.16-104,424.96-43,841.20

Finding the Fourth Proportional to 75,678.16, 104,424.96 and 43,841.20

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Solution

The fourth proportional to 75,678.16, 104,424.96 and 43,841.20 is: 60,494.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,678.16 : 104,424.96 = 43,841.20 : x
  2. Step 2: Convert to fraction form
    75,678.16/104,424.96 = 43,841.20/x
  3. Step 3: Cross multiply
    75,678.16x = 104,424.96 × 43,841.20
  4. Step 4: Simplify right side
    75,678.16x = 4,578,115,556.35
  5. Step 5: Solve for x
    x = 4,578,115,556.35/75,678.16
  6. Step 6: Final answer
    x = 60,494.54

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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.