Home / 51,765.08-77,627.97-18,478.94

Finding the Fourth Proportional to 51,765.08, 77,627.97 and 18,478.94

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Solution

The fourth proportional to 51,765.08, 77,627.97 and 18,478.94 is: 27,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,765.08 : 77,627.97 = 18,478.94 : x
  2. Step 2: Convert to fraction form
    51,765.08/77,627.97 = 18,478.94/x
  3. Step 3: Cross multiply
    51,765.08x = 77,627.97 × 18,478.94
  4. Step 4: Simplify right side
    51,765.08x = 1,434,482,211.81
  5. Step 5: Solve for x
    x = 1,434,482,211.81/51,765.08
  6. Step 6: Final answer
    x = 27,711.39

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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.