Home / 82,815.26-124,210.58-30,212.46

Finding the Fourth Proportional to 82,815.26, 124,210.58 and 30,212.46

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Solution

The fourth proportional to 82,815.26, 124,210.58 and 30,212.46 is: 45,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,815.26 : 124,210.58 = 30,212.46 : x
  2. Step 2: Convert to fraction form
    82,815.26/124,210.58 = 30,212.46/x
  3. Step 3: Cross multiply
    82,815.26x = 124,210.58 × 30,212.46
  4. Step 4: Simplify right side
    82,815.26x = 3,752,707,028.76
  5. Step 5: Solve for x
    x = 3,752,707,028.76/82,815.26
  6. Step 6: Final answer
    x = 45,314.20

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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.