Home / 94,938.78-131,013.27-51,916.44

Finding the Fourth Proportional to 94,938.78, 131,013.27 and 51,916.44

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Solution

The fourth proportional to 94,938.78, 131,013.27 and 51,916.44 is: 71,643.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,938.78 : 131,013.27 = 51,916.44 : x
  2. Step 2: Convert to fraction form
    94,938.78/131,013.27 = 51,916.44/x
  3. Step 3: Cross multiply
    94,938.78x = 131,013.27 × 51,916.44
  4. Step 4: Simplify right side
    94,938.78x = 6,801,742,571.16
  5. Step 5: Solve for x
    x = 6,801,742,571.16/94,938.78
  6. Step 6: Final answer
    x = 71,643.46

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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.