Home / 57,585.42-79,390.50-51,680.52

Finding the Fourth Proportional to 57,585.42, 79,390.50 and 51,680.52

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Solution

The fourth proportional to 57,585.42, 79,390.50 and 51,680.52 is: 71,249.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,585.42 : 79,390.50 = 51,680.52 : x
  2. Step 2: Convert to fraction form
    57,585.42/79,390.50 = 51,680.52/x
  3. Step 3: Cross multiply
    57,585.42x = 79,390.50 × 51,680.52
  4. Step 4: Simplify right side
    57,585.42x = 4,102,942,323.06
  5. Step 5: Solve for x
    x = 4,102,942,323.06/57,585.42
  6. Step 6: Final answer
    x = 71,249.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.