Home / 61,071.21-84,279.65-34,212.33

Finding the Fourth Proportional to 61,071.21, 84,279.65 and 34,212.33

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Solution

The fourth proportional to 61,071.21, 84,279.65 and 34,212.33 is: 47,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,071.21 : 84,279.65 = 34,212.33 : x
  2. Step 2: Convert to fraction form
    61,071.21/84,279.65 = 34,212.33/x
  3. Step 3: Cross multiply
    61,071.21x = 84,279.65 × 34,212.33
  4. Step 4: Simplify right side
    61,071.21x = 2,883,403,027.02
  5. Step 5: Solve for x
    x = 2,883,403,027.02/61,071.21
  6. Step 6: Final answer
    x = 47,213.79

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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.