Home / 54,739.48-75,538.98-30,865.96

Finding the Fourth Proportional to 54,739.48, 75,538.98 and 30,865.96

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Solution

The fourth proportional to 54,739.48, 75,538.98 and 30,865.96 is: 42,594.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,739.48 : 75,538.98 = 30,865.96 : x
  2. Step 2: Convert to fraction form
    54,739.48/75,538.98 = 30,865.96/x
  3. Step 3: Cross multiply
    54,739.48x = 75,538.98 × 30,865.96
  4. Step 4: Simplify right side
    54,739.48x = 2,331,583,135.12
  5. Step 5: Solve for x
    x = 2,331,583,135.12/54,739.48
  6. Step 6: Final answer
    x = 42,594.18

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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.