Home / 61,137.90-84,369.22-34,280.33

Finding the Fourth Proportional to 61,137.90, 84,369.22 and 34,280.33

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Solution

The fourth proportional to 61,137.90, 84,369.22 and 34,280.33 is: 47,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,137.90 : 84,369.22 = 34,280.33 : x
  2. Step 2: Convert to fraction form
    61,137.90/84,369.22 = 34,280.33/x
  3. Step 3: Cross multiply
    61,137.90x = 84,369.22 × 34,280.33
  4. Step 4: Simplify right side
    61,137.90x = 2,892,204,703.44
  5. Step 5: Solve for x
    x = 2,892,204,703.44/61,137.90
  6. Step 6: Final answer
    x = 47,306.25

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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.