Home / 54,174.81-74,761.40-30,299.93

Finding the Fourth Proportional to 54,174.81, 74,761.40 and 30,299.93

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Solution

The fourth proportional to 54,174.81, 74,761.40 and 30,299.93 is: 41,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,174.81 : 74,761.40 = 30,299.93 : x
  2. Step 2: Convert to fraction form
    54,174.81/74,761.40 = 30,299.93/x
  3. Step 3: Cross multiply
    54,174.81x = 74,761.40 × 30,299.93
  4. Step 4: Simplify right side
    54,174.81x = 2,265,264,661.40
  5. Step 5: Solve for x
    x = 2,265,264,661.40/54,174.81
  6. Step 6: Final answer
    x = 41,813.98

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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.