Home / 89,413.07-134,123.85-49,940.15

Finding the Fourth Proportional to 89,413.07, 134,123.85 and 49,940.15

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Solution

The fourth proportional to 89,413.07, 134,123.85 and 49,940.15 is: 74,912.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,413.07 : 134,123.85 = 49,940.15 : x
  2. Step 2: Convert to fraction form
    89,413.07/134,123.85 = 49,940.15/x
  3. Step 3: Cross multiply
    89,413.07x = 134,123.85 × 49,940.15
  4. Step 4: Simplify right side
    89,413.07x = 6,698,164,516.96
  5. Step 5: Solve for x
    x = 6,698,164,516.96/89,413.07
  6. Step 6: Final answer
    x = 74,912.59

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1.5x scale

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.