Home / 49,135.12-67,808.28-27,917.98

Finding the Fourth Proportional to 49,135.12, 67,808.28 and 27,917.98

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Solution

The fourth proportional to 49,135.12, 67,808.28 and 27,917.98 is: 38,527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,135.12 : 67,808.28 = 27,917.98 : x
  2. Step 2: Convert to fraction form
    49,135.12/67,808.28 = 27,917.98/x
  3. Step 3: Cross multiply
    49,135.12x = 67,808.28 × 27,917.98
  4. Step 4: Simplify right side
    49,135.12x = 1,893,070,204.87
  5. Step 5: Solve for x
    x = 1,893,070,204.87/49,135.12
  6. Step 6: Final answer
    x = 38,527.84

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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.