Home / 54,731.76-75,537.66-39,674.27

Finding the Fourth Proportional to 54,731.76, 75,537.66 and 39,674.27

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Solution

The fourth proportional to 54,731.76, 75,537.66 and 39,674.27 is: 54,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,731.76 : 75,537.66 = 39,674.27 : x
  2. Step 2: Convert to fraction form
    54,731.76/75,537.66 = 39,674.27/x
  3. Step 3: Cross multiply
    54,731.76x = 75,537.66 × 39,674.27
  4. Step 4: Simplify right side
    54,731.76x = 2,996,901,140.32
  5. Step 5: Solve for x
    x = 2,996,901,140.32/54,731.76
  6. Step 6: Final answer
    x = 54,756.16

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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.