Home / 51,107.29-76,655.54-13,671.14

Finding the Fourth Proportional to 51,107.29, 76,655.54 and 13,671.14

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Solution

The fourth proportional to 51,107.29, 76,655.54 and 13,671.14 is: 20,505.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,107.29 : 76,655.54 = 13,671.14 : x
  2. Step 2: Convert to fraction form
    51,107.29/76,655.54 = 13,671.14/x
  3. Step 3: Cross multiply
    51,107.29x = 76,655.54 × 13,671.14
  4. Step 4: Simplify right side
    51,107.29x = 1,047,968,844.93
  5. Step 5: Solve for x
    x = 1,047,968,844.93/51,107.29
  6. Step 6: Final answer
    x = 20,505.27

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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.