Home / 53,975.14-80,971.94-18,434.50

Finding the Fourth Proportional to 53,975.14, 80,971.94 and 18,434.50

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Solution

The fourth proportional to 53,975.14, 80,971.94 and 18,434.50 is: 27,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,975.14 : 80,971.94 = 18,434.50 : x
  2. Step 2: Convert to fraction form
    53,975.14/80,971.94 = 18,434.50/x
  3. Step 3: Cross multiply
    53,975.14x = 80,971.94 × 18,434.50
  4. Step 4: Simplify right side
    53,975.14x = 1,492,677,423.36
  5. Step 5: Solve for x
    x = 1,492,677,423.36/53,975.14
  6. Step 6: Final answer
    x = 27,654.90

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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.