Home / 50,701.76-76,063.36-19,111.16

Finding the Fourth Proportional to 50,701.76, 76,063.36 and 19,111.16

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Solution

The fourth proportional to 50,701.76, 76,063.36 and 19,111.16 is: 28,670.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,701.76 : 76,063.36 = 19,111.16 : x
  2. Step 2: Convert to fraction form
    50,701.76/76,063.36 = 19,111.16/x
  3. Step 3: Cross multiply
    50,701.76x = 76,063.36 × 19,111.16
  4. Step 4: Simplify right side
    50,701.76x = 1,453,659,043.10
  5. Step 5: Solve for x
    x = 1,453,659,043.10/50,701.76
  6. Step 6: Final answer
    x = 28,670.78

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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.