Home / 61,021.12-84,204.64-34,157.44

Finding the Fourth Proportional to 61,021.12, 84,204.64 and 34,157.44

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Solution

The fourth proportional to 61,021.12, 84,204.64 and 34,157.44 is: 47,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,021.12 : 84,204.64 = 34,157.44 : x
  2. Step 2: Convert to fraction form
    61,021.12/84,204.64 = 34,157.44/x
  3. Step 3: Cross multiply
    61,021.12x = 84,204.64 × 34,157.44
  4. Step 4: Simplify right side
    61,021.12x = 2,876,214,938.52
  5. Step 5: Solve for x
    x = 2,876,214,938.52/61,021.12
  6. Step 6: Final answer
    x = 47,134.75

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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.