Home / 96,057.20-143,999.40-60,978.80

Finding the Fourth Proportional to 96,057.20, 143,999.40 and 60,978.80

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Solution

The fourth proportional to 96,057.20, 143,999.40 and 60,978.80 is: 91,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,057.20 : 143,999.40 = 60,978.80 : x
  2. Step 2: Convert to fraction form
    96,057.20/143,999.40 = 60,978.80/x
  3. Step 3: Cross multiply
    96,057.20x = 143,999.40 × 60,978.80
  4. Step 4: Simplify right side
    96,057.20x = 8,780,910,612.72
  5. Step 5: Solve for x
    x = 8,780,910,612.72/96,057.20
  6. Step 6: Final answer
    x = 91,413.35

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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.