Home / 76,575.16-114,940.50-54,413.56

Finding the Fourth Proportional to 76,575.16, 114,940.50 and 54,413.56

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Solution

The fourth proportional to 76,575.16, 114,940.50 and 54,413.56 is: 81,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,575.16 : 114,940.50 = 54,413.56 : x
  2. Step 2: Convert to fraction form
    76,575.16/114,940.50 = 54,413.56/x
  3. Step 3: Cross multiply
    76,575.16x = 114,940.50 × 54,413.56
  4. Step 4: Simplify right side
    76,575.16x = 6,254,321,793.18
  5. Step 5: Solve for x
    x = 6,254,321,793.18/76,575.16
  6. Step 6: Final answer
    x = 81,675.60

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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.