Home / 84,134.09-116,111.27-48,325.61

Finding the Fourth Proportional to 84,134.09, 116,111.27 and 48,325.61

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Solution

The fourth proportional to 84,134.09, 116,111.27 and 48,325.61 is: 66,692.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,134.09 : 116,111.27 = 48,325.61 : x
  2. Step 2: Convert to fraction form
    84,134.09/116,111.27 = 48,325.61/x
  3. Step 3: Cross multiply
    84,134.09x = 116,111.27 × 48,325.61
  4. Step 4: Simplify right side
    84,134.09x = 5,611,147,950.62
  5. Step 5: Solve for x
    x = 5,611,147,950.62/84,134.09
  6. Step 6: Final answer
    x = 66,692.92

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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.