Home / 48,709.12-67,218.60-27,492.88

Finding the Fourth Proportional to 48,709.12, 67,218.60 and 27,492.88

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Solution

The fourth proportional to 48,709.12, 67,218.60 and 27,492.88 is: 37,940.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,709.12 : 67,218.60 = 27,492.88 : x
  2. Step 2: Convert to fraction form
    48,709.12/67,218.60 = 27,492.88/x
  3. Step 3: Cross multiply
    48,709.12x = 67,218.60 × 27,492.88
  4. Step 4: Simplify right side
    48,709.12x = 1,848,032,903.57
  5. Step 5: Solve for x
    x = 1,848,032,903.57/48,709.12
  6. Step 6: Final answer
    x = 37,940.18

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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.