Home / 82,904.80-124,284.30-49,638.10

Finding the Fourth Proportional to 82,904.80, 124,284.30 and 49,638.10

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Solution

The fourth proportional to 82,904.80, 124,284.30 and 49,638.10 is: 74,413.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,904.80 : 124,284.30 = 49,638.10 : x
  2. Step 2: Convert to fraction form
    82,904.80/124,284.30 = 49,638.10/x
  3. Step 3: Cross multiply
    82,904.80x = 124,284.30 × 49,638.10
  4. Step 4: Simplify right side
    82,904.80x = 6,169,236,511.83
  5. Step 5: Solve for x
    x = 6,169,236,511.83/82,904.80
  6. Step 6: Final answer
    x = 74,413.50

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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.