Home / 82,812.44-124,194.06-30,209.63

Finding the Fourth Proportional to 82,812.44, 124,194.06 and 30,209.63

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Solution

The fourth proportional to 82,812.44, 124,194.06 and 30,209.63 is: 45,305.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,812.44 : 124,194.06 = 30,209.63 : x
  2. Step 2: Convert to fraction form
    82,812.44/124,194.06 = 30,209.63/x
  3. Step 3: Cross multiply
    82,812.44x = 124,194.06 × 30,209.63
  4. Step 4: Simplify right side
    82,812.44x = 3,751,855,979.83
  5. Step 5: Solve for x
    x = 3,751,855,979.83/82,812.44
  6. Step 6: Final answer
    x = 45,305.46

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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.