Home / 57,941.60-86,912.40-18,502.70

Finding the Fourth Proportional to 57,941.60, 86,912.40 and 18,502.70

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Solution

The fourth proportional to 57,941.60, 86,912.40 and 18,502.70 is: 27,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,941.60 : 86,912.40 = 18,502.70 : x
  2. Step 2: Convert to fraction form
    57,941.60/86,912.40 = 18,502.70/x
  3. Step 3: Cross multiply
    57,941.60x = 86,912.40 × 18,502.70
  4. Step 4: Simplify right side
    57,941.60x = 1,608,114,063.48
  5. Step 5: Solve for x
    x = 1,608,114,063.48/57,941.60
  6. Step 6: Final answer
    x = 27,754.05

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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.