Home / 51,219.84-76,840.20-29,043.12

Finding the Fourth Proportional to 51,219.84, 76,840.20 and 29,043.12

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Solution

The fourth proportional to 51,219.84, 76,840.20 and 29,043.12 is: 43,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,219.84 : 76,840.20 = 29,043.12 : x
  2. Step 2: Convert to fraction form
    51,219.84/76,840.20 = 29,043.12/x
  3. Step 3: Cross multiply
    51,219.84x = 76,840.20 × 29,043.12
  4. Step 4: Simplify right side
    51,219.84x = 2,231,679,149.42
  5. Step 5: Solve for x
    x = 2,231,679,149.42/51,219.84
  6. Step 6: Final answer
    x = 43,570.60

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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.