Home / 82,909.09-114,413.57-48,917.64

Finding the Fourth Proportional to 82,909.09, 114,413.57 and 48,917.64

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Solution

The fourth proportional to 82,909.09, 114,413.57 and 48,917.64 is: 67,505.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,909.09 : 114,413.57 = 48,917.64 : x
  2. Step 2: Convert to fraction form
    82,909.09/114,413.57 = 48,917.64/x
  3. Step 3: Cross multiply
    82,909.09x = 114,413.57 × 48,917.64
  4. Step 4: Simplify right side
    82,909.09x = 5,596,841,583.79
  5. Step 5: Solve for x
    x = 5,596,841,583.79/82,909.09
  6. Step 6: Final answer
    x = 67,505.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.