Home / 61,305.45-91,958.48-18,611.25

Finding the Fourth Proportional to 61,305.45, 91,958.48 and 18,611.25

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Solution

The fourth proportional to 61,305.45, 91,958.48 and 18,611.25 is: 27,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,305.45 : 91,958.48 = 18,611.25 : x
  2. Step 2: Convert to fraction form
    61,305.45/91,958.48 = 18,611.25/x
  3. Step 3: Cross multiply
    61,305.45x = 91,958.48 × 18,611.25
  4. Step 4: Simplify right side
    61,305.45x = 1,711,462,260.90
  5. Step 5: Solve for x
    x = 1,711,462,260.90/61,305.45
  6. Step 6: Final answer
    x = 27,916.97

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Similar ratio
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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.