Home / 47,729.88-71,607.78-14,451.06

Finding the Fourth Proportional to 47,729.88, 71,607.78 and 14,451.06

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Solution

The fourth proportional to 47,729.88, 71,607.78 and 14,451.06 is: 21,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,729.88 : 71,607.78 = 14,451.06 : x
  2. Step 2: Convert to fraction form
    47,729.88/71,607.78 = 14,451.06/x
  3. Step 3: Cross multiply
    47,729.88x = 71,607.78 × 14,451.06
  4. Step 4: Simplify right side
    47,729.88x = 1,034,808,325.25
  5. Step 5: Solve for x
    x = 1,034,808,325.25/47,729.88
  6. Step 6: Final answer
    x = 21,680.51

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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.