Home / 57,039.64-85,564.41-14,919.53

Finding the Fourth Proportional to 57,039.64, 85,564.41 and 14,919.53

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Solution

The fourth proportional to 57,039.64, 85,564.41 and 14,919.53 is: 22,380.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,039.64 : 85,564.41 = 14,919.53 : x
  2. Step 2: Convert to fraction form
    57,039.64/85,564.41 = 14,919.53/x
  3. Step 3: Cross multiply
    57,039.64x = 85,564.41 × 14,919.53
  4. Step 4: Simplify right side
    57,039.64x = 1,276,580,995.84
  5. Step 5: Solve for x
    x = 1,276,580,995.84/57,039.64
  6. Step 6: Final answer
    x = 22,380.59

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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.