Home / 51,134.25-76,700.15-13,694.28

Finding the Fourth Proportional to 51,134.25, 76,700.15 and 13,694.28

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Solution

The fourth proportional to 51,134.25, 76,700.15 and 13,694.28 is: 20,541.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,134.25 : 76,700.15 = 13,694.28 : x
  2. Step 2: Convert to fraction form
    51,134.25/76,700.15 = 13,694.28/x
  3. Step 3: Cross multiply
    51,134.25x = 76,700.15 × 13,694.28
  4. Step 4: Simplify right side
    51,134.25x = 1,050,353,261.67
  5. Step 5: Solve for x
    x = 1,050,353,261.67/51,134.25
  6. Step 6: Final answer
    x = 20,541.09

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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.