Home / 107,213.09-147,971.77-59,481.81

Finding the Fourth Proportional to 107,213.09, 147,971.77 and 59,481.81

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Solution

The fourth proportional to 107,213.09, 147,971.77 and 59,481.81 is: 82,094.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,213.09 : 147,971.77 = 59,481.81 : x
  2. Step 2: Convert to fraction form
    107,213.09/147,971.77 = 59,481.81/x
  3. Step 3: Cross multiply
    107,213.09x = 147,971.77 × 59,481.81
  4. Step 4: Simplify right side
    107,213.09x = 8,801,628,559.80
  5. Step 5: Solve for x
    x = 8,801,628,559.80/107,213.09
  6. Step 6: Final answer
    x = 82,094.72

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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.