Home / 54,686.67-75,462.21-30,817.59

Finding the Fourth Proportional to 54,686.67, 75,462.21 and 30,817.59

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Solution

The fourth proportional to 54,686.67, 75,462.21 and 30,817.59 is: 42,525.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,686.67 : 75,462.21 = 30,817.59 : x
  2. Step 2: Convert to fraction form
    54,686.67/75,462.21 = 30,817.59/x
  3. Step 3: Cross multiply
    54,686.67x = 75,462.21 × 30,817.59
  4. Step 4: Simplify right side
    54,686.67x = 2,325,563,448.27
  5. Step 5: Solve for x
    x = 2,325,563,448.27/54,686.67
  6. Step 6: Final answer
    x = 42,525.23

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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.