Home / 57,824.46-86,742.46-15,705.20

Finding the Fourth Proportional to 57,824.46, 86,742.46 and 15,705.20

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Solution

The fourth proportional to 57,824.46, 86,742.46 and 15,705.20 is: 23,559.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,824.46 : 86,742.46 = 15,705.20 : x
  2. Step 2: Convert to fraction form
    57,824.46/86,742.46 = 15,705.20/x
  3. Step 3: Cross multiply
    57,824.46x = 86,742.46 × 15,705.20
  4. Step 4: Simplify right side
    57,824.46x = 1,362,307,682.79
  5. Step 5: Solve for x
    x = 1,362,307,682.79/57,824.46
  6. Step 6: Final answer
    x = 23,559.37

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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.