Home / 51,133.10-76,694.28-13,697.04

Finding the Fourth Proportional to 51,133.10, 76,694.28 and 13,697.04

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Solution

The fourth proportional to 51,133.10, 76,694.28 and 13,697.04 is: 20,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,133.10 : 76,694.28 = 13,697.04 : x
  2. Step 2: Convert to fraction form
    51,133.10/76,694.28 = 13,697.04/x
  3. Step 3: Cross multiply
    51,133.10x = 76,694.28 × 13,697.04
  4. Step 4: Simplify right side
    51,133.10x = 1,050,484,620.93
  5. Step 5: Solve for x
    x = 1,050,484,620.93/51,133.10
  6. Step 6: Final answer
    x = 20,544.12

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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.