Home / 56,922.05-85,375.06-31,284.38

Finding the Fourth Proportional to 56,922.05, 85,375.06 and 31,284.38

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Solution

The fourth proportional to 56,922.05, 85,375.06 and 31,284.38 is: 46,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,922.05 : 85,375.06 = 31,284.38 : x
  2. Step 2: Convert to fraction form
    56,922.05/85,375.06 = 31,284.38/x
  3. Step 3: Cross multiply
    56,922.05x = 85,375.06 × 31,284.38
  4. Step 4: Simplify right side
    56,922.05x = 2,670,905,954.79
  5. Step 5: Solve for x
    x = 2,670,905,954.79/56,922.05
  6. Step 6: Final answer
    x = 46,922.17

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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.