Home / 84,453.23-126,729.83-31,182.37

Finding the Fourth Proportional to 84,453.23, 126,729.83 and 31,182.37

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Solution

The fourth proportional to 84,453.23, 126,729.83 and 31,182.37 is: 46,792.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,453.23 : 126,729.83 = 31,182.37 : x
  2. Step 2: Convert to fraction form
    84,453.23/126,729.83 = 31,182.37/x
  3. Step 3: Cross multiply
    84,453.23x = 126,729.83 × 31,182.37
  4. Step 4: Simplify right side
    84,453.23x = 3,951,736,210.23
  5. Step 5: Solve for x
    x = 3,951,736,210.23/84,453.23
  6. Step 6: Final answer
    x = 46,792.01

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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.