Home / 55,883.75-83,817.41-18,445.05

Finding the Fourth Proportional to 55,883.75, 83,817.41 and 18,445.05

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Solution

The fourth proportional to 55,883.75, 83,817.41 and 18,445.05 is: 27,664.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,883.75 : 83,817.41 = 18,445.05 : x
  2. Step 2: Convert to fraction form
    55,883.75/83,817.41 = 18,445.05/x
  3. Step 3: Cross multiply
    55,883.75x = 83,817.41 × 18,445.05
  4. Step 4: Simplify right side
    55,883.75x = 1,546,015,899.23
  5. Step 5: Solve for x
    x = 1,546,015,899.23/55,883.75
  6. Step 6: Final answer
    x = 27,664.86

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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.