Home / 54,182.94-74,606.31-47,430.78

Finding the Fourth Proportional to 54,182.94, 74,606.31 and 47,430.78

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Solution

The fourth proportional to 54,182.94, 74,606.31 and 47,430.78 is: 65,309.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,182.94 : 74,606.31 = 47,430.78 : x
  2. Step 2: Convert to fraction form
    54,182.94/74,606.31 = 47,430.78/x
  3. Step 3: Cross multiply
    54,182.94x = 74,606.31 × 47,430.78
  4. Step 4: Simplify right side
    54,182.94x = 3,538,635,476.22
  5. Step 5: Solve for x
    x = 3,538,635,476.22/54,182.94
  6. Step 6: Final answer
    x = 65,309.03

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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.