Home / 57,625.78-86,471.46-46,012.80

Finding the Fourth Proportional to 57,625.78, 86,471.46 and 46,012.80

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Solution

The fourth proportional to 57,625.78, 86,471.46 and 46,012.80 is: 69,045.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,625.78 : 86,471.46 = 46,012.80 : x
  2. Step 2: Convert to fraction form
    57,625.78/86,471.46 = 46,012.80/x
  3. Step 3: Cross multiply
    57,625.78x = 86,471.46 × 46,012.80
  4. Step 4: Simplify right side
    57,625.78x = 3,978,793,994.69
  5. Step 5: Solve for x
    x = 3,978,793,994.69/57,625.78
  6. Step 6: Final answer
    x = 69,045.38

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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.