Home / 57,170.55-85,764.92-17,719.50

Finding the Fourth Proportional to 57,170.55, 85,764.92 and 17,719.50

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Solution

The fourth proportional to 57,170.55, 85,764.92 and 17,719.50 is: 26,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170.55 : 85,764.92 = 17,719.50 : x
  2. Step 2: Convert to fraction form
    57,170.55/85,764.92 = 17,719.50/x
  3. Step 3: Cross multiply
    57,170.55x = 85,764.92 × 17,719.50
  4. Step 4: Simplify right side
    57,170.55x = 1,519,711,411.34
  5. Step 5: Solve for x
    x = 1,519,711,411.34/57,170.55
  6. Step 6: Final answer
    x = 26,582.07

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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.