Home / 88,413.19-132,621.18-49,219.42

Finding the Fourth Proportional to 88,413.19, 132,621.18 and 49,219.42

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Solution

The fourth proportional to 88,413.19, 132,621.18 and 49,219.42 is: 73,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,413.19 : 132,621.18 = 49,219.42 : x
  2. Step 2: Convert to fraction form
    88,413.19/132,621.18 = 49,219.42/x
  3. Step 3: Cross multiply
    88,413.19x = 132,621.18 × 49,219.42
  4. Step 4: Simplify right side
    88,413.19x = 6,527,536,896.21
  5. Step 5: Solve for x
    x = 6,527,536,896.21/88,413.19
  6. Step 6: Final answer
    x = 73,829.90

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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.