Home / 57,086.04-85,628.10-17,638.50

Finding the Fourth Proportional to 57,086.04, 85,628.10 and 17,638.50

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Solution

The fourth proportional to 57,086.04, 85,628.10 and 17,638.50 is: 26,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,086.04 : 85,628.10 = 17,638.50 : x
  2. Step 2: Convert to fraction form
    57,086.04/85,628.10 = 17,638.50/x
  3. Step 3: Cross multiply
    57,086.04x = 85,628.10 × 17,638.50
  4. Step 4: Simplify right side
    57,086.04x = 1,510,351,241.85
  5. Step 5: Solve for x
    x = 1,510,351,241.85/57,086.04
  6. Step 6: Final answer
    x = 26,457.45

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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.