Home / 82,895.12-124,379.40-43,442.84

Finding the Fourth Proportional to 82,895.12, 124,379.40 and 43,442.84

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Solution

The fourth proportional to 82,895.12, 124,379.40 and 43,442.84 is: 65,183.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,895.12 : 124,379.40 = 43,442.84 : x
  2. Step 2: Convert to fraction form
    82,895.12/124,379.40 = 43,442.84/x
  3. Step 3: Cross multiply
    82,895.12x = 124,379.40 × 43,442.84
  4. Step 4: Simplify right side
    82,895.12x = 5,403,394,373.50
  5. Step 5: Solve for x
    x = 5,403,394,373.50/82,895.12
  6. Step 6: Final answer
    x = 65,183.50

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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.