Home / 51,200.98-76,748.74-19,603.60

Finding the Fourth Proportional to 51,200.98, 76,748.74 and 19,603.60

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Solution

The fourth proportional to 51,200.98, 76,748.74 and 19,603.60 is: 29,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,200.98 : 76,748.74 = 19,603.60 : x
  2. Step 2: Convert to fraction form
    51,200.98/76,748.74 = 19,603.60/x
  3. Step 3: Cross multiply
    51,200.98x = 76,748.74 × 19,603.60
  4. Step 4: Simplify right side
    51,200.98x = 1,504,551,599.46
  5. Step 5: Solve for x
    x = 1,504,551,599.46/51,200.98
  6. Step 6: Final answer
    x = 29,385.21

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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.