Home / 54,907.56-75,768.24-31,036.47

Finding the Fourth Proportional to 54,907.56, 75,768.24 and 31,036.47

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Solution

The fourth proportional to 54,907.56, 75,768.24 and 31,036.47 is: 42,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,907.56 : 75,768.24 = 31,036.47 : x
  2. Step 2: Convert to fraction form
    54,907.56/75,768.24 = 31,036.47/x
  3. Step 3: Cross multiply
    54,907.56x = 75,768.24 × 31,036.47
  4. Step 4: Simplify right side
    54,907.56x = 2,351,578,707.71
  5. Step 5: Solve for x
    x = 2,351,578,707.71/54,907.56
  6. Step 6: Final answer
    x = 42,827.96

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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.