Home / 57,119.51-85,734.63-27,558.11

Finding the Fourth Proportional to 57,119.51, 85,734.63 and 27,558.11

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Solution

The fourth proportional to 57,119.51, 85,734.63 and 27,558.11 is: 41,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,119.51 : 85,734.63 = 27,558.11 : x
  2. Step 2: Convert to fraction form
    57,119.51/85,734.63 = 27,558.11/x
  3. Step 3: Cross multiply
    57,119.51x = 85,734.63 × 27,558.11
  4. Step 4: Simplify right side
    57,119.51x = 2,362,683,935.68
  5. Step 5: Solve for x
    x = 2,362,683,935.68/57,119.51
  6. Step 6: Final answer
    x = 41,363.87

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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.