Home / 82,870.35-124,413.93-49,197.84

Finding the Fourth Proportional to 82,870.35, 124,413.93 and 49,197.84

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Solution

The fourth proportional to 82,870.35, 124,413.93 and 49,197.84 is: 73,861.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,870.35 : 124,413.93 = 49,197.84 : x
  2. Step 2: Convert to fraction form
    82,870.35/124,413.93 = 49,197.84/x
  3. Step 3: Cross multiply
    82,870.35x = 124,413.93 × 49,197.84
  4. Step 4: Simplify right side
    82,870.35x = 6,120,896,621.91
  5. Step 5: Solve for x
    x = 6,120,896,621.91/82,870.35
  6. Step 6: Final answer
    x = 73,861.12

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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.