Home / 82,808.22-124,212.48-30,205.47

Finding the Fourth Proportional to 82,808.22, 124,212.48 and 30,205.47

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Solution

The fourth proportional to 82,808.22, 124,212.48 and 30,205.47 is: 45,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,808.22 : 124,212.48 = 30,205.47 : x
  2. Step 2: Convert to fraction form
    82,808.22/124,212.48 = 30,205.47/x
  3. Step 3: Cross multiply
    82,808.22x = 124,212.48 × 30,205.47
  4. Step 4: Simplify right side
    82,808.22x = 3,751,896,338.27
  5. Step 5: Solve for x
    x = 3,751,896,338.27/82,808.22
  6. Step 6: Final answer
    x = 45,308.26

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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.