Home / 82,413.58-123,534.18-38,069.41

Finding the Fourth Proportional to 82,413.58, 123,534.18 and 38,069.41

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Solution

The fourth proportional to 82,413.58, 123,534.18 and 38,069.41 is: 57,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,413.58 : 123,534.18 = 38,069.41 : x
  2. Step 2: Convert to fraction form
    82,413.58/123,534.18 = 38,069.41/x
  3. Step 3: Cross multiply
    82,413.58x = 123,534.18 × 38,069.41
  4. Step 4: Simplify right side
    82,413.58x = 4,702,873,347.43
  5. Step 5: Solve for x
    x = 4,702,873,347.43/82,413.58
  6. Step 6: Final answer
    x = 57,064.30

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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.