Home / 108,611.89-162,917.51-27,558.76

Finding the Fourth Proportional to 108,611.89, 162,917.51 and 27,558.76

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Solution

The fourth proportional to 108,611.89, 162,917.51 and 27,558.76 is: 41,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,611.89 : 162,917.51 = 27,558.76 : x
  2. Step 2: Convert to fraction form
    108,611.89/162,917.51 = 27,558.76/x
  3. Step 3: Cross multiply
    108,611.89x = 162,917.51 × 27,558.76
  4. Step 4: Simplify right side
    108,611.89x = 4,489,803,605.51
  5. Step 5: Solve for x
    x = 4,489,803,605.51/108,611.89
  6. Step 6: Final answer
    x = 41,338.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.