Home / 57,761.37-86,521.32-46,455.62

Finding the Fourth Proportional to 57,761.37, 86,521.32 and 46,455.62

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Solution

The fourth proportional to 57,761.37, 86,521.32 and 46,455.62 is: 69,586.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,761.37 : 86,521.32 = 46,455.62 : x
  2. Step 2: Convert to fraction form
    57,761.37/86,521.32 = 46,455.62/x
  3. Step 3: Cross multiply
    57,761.37x = 86,521.32 × 46,455.62
  4. Step 4: Simplify right side
    57,761.37x = 4,019,401,131.21
  5. Step 5: Solve for x
    x = 4,019,401,131.21/57,761.37
  6. Step 6: Final answer
    x = 69,586.32

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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.