Home / 54,669.74-75,443.81-30,804.10

Finding the Fourth Proportional to 54,669.74, 75,443.81 and 30,804.10

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Solution

The fourth proportional to 54,669.74, 75,443.81 and 30,804.10 is: 42,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,669.74 : 75,443.81 = 30,804.10 : x
  2. Step 2: Convert to fraction form
    54,669.74/75,443.81 = 30,804.10/x
  3. Step 3: Cross multiply
    54,669.74x = 75,443.81 × 30,804.10
  4. Step 4: Simplify right side
    54,669.74x = 2,323,978,324.99
  5. Step 5: Solve for x
    x = 2,323,978,324.99/54,669.74
  6. Step 6: Final answer
    x = 42,509.41

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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.