Home / 84,012.02-115,933.24-45,771.87

Finding the Fourth Proportional to 84,012.02, 115,933.24 and 45,771.87

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Solution

The fourth proportional to 84,012.02, 115,933.24 and 45,771.87 is: 63,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,012.02 : 115,933.24 = 45,771.87 : x
  2. Step 2: Convert to fraction form
    84,012.02/115,933.24 = 45,771.87/x
  3. Step 3: Cross multiply
    84,012.02x = 115,933.24 × 45,771.87
  4. Step 4: Simplify right side
    84,012.02x = 5,306,481,681.92
  5. Step 5: Solve for x
    x = 5,306,481,681.92/84,012.02
  6. Step 6: Final answer
    x = 63,163.36

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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.