Home / 51,615.75-77,436.60-14,679.75

Finding the Fourth Proportional to 51,615.75, 77,436.60 and 14,679.75

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Solution

The fourth proportional to 51,615.75, 77,436.60 and 14,679.75 is: 22,023.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,615.75 : 77,436.60 = 14,679.75 : x
  2. Step 2: Convert to fraction form
    51,615.75/77,436.60 = 14,679.75/x
  3. Step 3: Cross multiply
    51,615.75x = 77,436.60 × 14,679.75
  4. Step 4: Simplify right side
    51,615.75x = 1,136,749,928.85
  5. Step 5: Solve for x
    x = 1,136,749,928.85/51,615.75
  6. Step 6: Final answer
    x = 22,023.32

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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.