Home / 54,643.98-75,406.66-30,444.38

Finding the Fourth Proportional to 54,643.98, 75,406.66 and 30,444.38

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Solution

The fourth proportional to 54,643.98, 75,406.66 and 30,444.38 is: 42,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,643.98 : 75,406.66 = 30,444.38 : x
  2. Step 2: Convert to fraction form
    54,643.98/75,406.66 = 30,444.38/x
  3. Step 3: Cross multiply
    54,643.98x = 75,406.66 × 30,444.38
  4. Step 4: Simplify right side
    54,643.98x = 2,295,708,634.54
  5. Step 5: Solve for x
    x = 2,295,708,634.54/54,643.98
  6. Step 6: Final answer
    x = 42,012.11

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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.