Home / 91,413.78-137,056.26-35,206.80

Finding the Fourth Proportional to 91,413.78, 137,056.26 and 35,206.80

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Solution

The fourth proportional to 91,413.78, 137,056.26 and 35,206.80 is: 52,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,413.78 : 137,056.26 = 35,206.80 : x
  2. Step 2: Convert to fraction form
    91,413.78/137,056.26 = 35,206.80/x
  3. Step 3: Cross multiply
    91,413.78x = 137,056.26 × 35,206.80
  4. Step 4: Simplify right side
    91,413.78x = 4,825,312,334.57
  5. Step 5: Solve for x
    x = 4,825,312,334.57/91,413.78
  6. Step 6: Final answer
    x = 52,785.39

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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.