Home / 81,887.00-122,633.66-46,720.04

Finding the Fourth Proportional to 81,887.00, 122,633.66 and 46,720.04

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Solution

The fourth proportional to 81,887.00, 122,633.66 and 46,720.04 is: 69,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,887.00 : 122,633.66 = 46,720.04 : x
  2. Step 2: Convert to fraction form
    81,887.00/122,633.66 = 46,720.04/x
  3. Step 3: Cross multiply
    81,887.00x = 122,633.66 × 46,720.04
  4. Step 4: Simplify right side
    81,887.00x = 5,729,449,004.18
  5. Step 5: Solve for x
    x = 5,729,449,004.18/81,887.00
  6. Step 6: Final answer
    x = 69,967.75

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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.