Home / 57,056.37-85,563.59-19,605.81

Finding the Fourth Proportional to 57,056.37, 85,563.59 and 19,605.81

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Solution

The fourth proportional to 57,056.37, 85,563.59 and 19,605.81 is: 29,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,056.37 : 85,563.59 = 19,605.81 : x
  2. Step 2: Convert to fraction form
    57,056.37/85,563.59 = 19,605.81/x
  3. Step 3: Cross multiply
    57,056.37x = 85,563.59 × 19,605.81
  4. Step 4: Simplify right side
    57,056.37x = 1,677,543,390.43
  5. Step 5: Solve for x
    x = 1,677,543,390.43/57,056.37
  6. Step 6: Final answer
    x = 29,401.51

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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.