Home / 56,912.16-85,377.51-21,376.25

Finding the Fourth Proportional to 56,912.16, 85,377.51 and 21,376.25

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Solution

The fourth proportional to 56,912.16, 85,377.51 and 21,376.25 is: 32,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,912.16 : 85,377.51 = 21,376.25 : x
  2. Step 2: Convert to fraction form
    56,912.16/85,377.51 = 21,376.25/x
  3. Step 3: Cross multiply
    56,912.16x = 85,377.51 × 21,376.25
  4. Step 4: Simplify right side
    56,912.16x = 1,825,050,998.14
  5. Step 5: Solve for x
    x = 1,825,050,998.14/56,912.16
  6. Step 6: Final answer
    x = 32,067.86

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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.