Home / 124,942.42-187,413.50-40,702.46

Finding the Fourth Proportional to 124,942.42, 187,413.50 and 40,702.46

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Solution

The fourth proportional to 124,942.42, 187,413.50 and 40,702.46 is: 61,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,942.42 : 187,413.50 = 40,702.46 : x
  2. Step 2: Convert to fraction form
    124,942.42/187,413.50 = 40,702.46/x
  3. Step 3: Cross multiply
    124,942.42x = 187,413.50 × 40,702.46
  4. Step 4: Simplify right side
    124,942.42x = 7,628,190,740.70
  5. Step 5: Solve for x
    x = 7,628,190,740.70/124,942.42
  6. Step 6: Final answer
    x = 61,053.65

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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.