Home / 81,171.06-112,021.26-45,361.22

Finding the Fourth Proportional to 81,171.06, 112,021.26 and 45,361.22

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Solution

The fourth proportional to 81,171.06, 112,021.26 and 45,361.22 is: 62,601.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,171.06 : 112,021.26 = 45,361.22 : x
  2. Step 2: Convert to fraction form
    81,171.06/112,021.26 = 45,361.22/x
  3. Step 3: Cross multiply
    81,171.06x = 112,021.26 × 45,361.22
  4. Step 4: Simplify right side
    81,171.06x = 5,081,421,019.54
  5. Step 5: Solve for x
    x = 5,081,421,019.54/81,171.06
  6. Step 6: Final answer
    x = 62,601.39

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1.5x scale

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.