Home / 48,775.32-73,161.33-20,677.31

Finding the Fourth Proportional to 48,775.32, 73,161.33 and 20,677.31

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Solution

The fourth proportional to 48,775.32, 73,161.33 and 20,677.31 is: 31,015.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,775.32 : 73,161.33 = 20,677.31 : x
  2. Step 2: Convert to fraction form
    48,775.32/73,161.33 = 20,677.31/x
  3. Step 3: Cross multiply
    48,775.32x = 73,161.33 × 20,677.31
  4. Step 4: Simplify right side
    48,775.32x = 1,512,779,134.62
  5. Step 5: Solve for x
    x = 1,512,779,134.62/48,775.32
  6. Step 6: Final answer
    x = 31,015.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.