Home / 76,413.09-114,575.16-51,141.44

Finding the Fourth Proportional to 76,413.09, 114,575.16 and 51,141.44

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Solution

The fourth proportional to 76,413.09, 114,575.16 and 51,141.44 is: 76,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,413.09 : 114,575.16 = 51,141.44 : x
  2. Step 2: Convert to fraction form
    76,413.09/114,575.16 = 51,141.44/x
  3. Step 3: Cross multiply
    76,413.09x = 114,575.16 × 51,141.44
  4. Step 4: Simplify right side
    76,413.09x = 5,859,538,861.18
  5. Step 5: Solve for x
    x = 5,859,538,861.18/76,413.09
  6. Step 6: Final answer
    x = 76,682.40

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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.