Home / 57,771.40-86,657.10-47,273.80

Finding the Fourth Proportional to 57,771.40, 86,657.10 and 47,273.80

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Solution

The fourth proportional to 57,771.40, 86,657.10 and 47,273.80 is: 70,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,771.40 : 86,657.10 = 47,273.80 : x
  2. Step 2: Convert to fraction form
    57,771.40/86,657.10 = 47,273.80/x
  3. Step 3: Cross multiply
    57,771.40x = 86,657.10 × 47,273.80
  4. Step 4: Simplify right side
    57,771.40x = 4,096,610,413.98
  5. Step 5: Solve for x
    x = 4,096,610,413.98/57,771.40
  6. Step 6: Final answer
    x = 70,910.70

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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.