Home / 47,757.51-71,636.19-12,697.17

Finding the Fourth Proportional to 47,757.51, 71,636.19 and 12,697.17

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Solution

The fourth proportional to 47,757.51, 71,636.19 and 12,697.17 is: 19,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,757.51 : 71,636.19 = 12,697.17 : x
  2. Step 2: Convert to fraction form
    47,757.51/71,636.19 = 12,697.17/x
  3. Step 3: Cross multiply
    47,757.51x = 71,636.19 × 12,697.17
  4. Step 4: Simplify right side
    47,757.51x = 909,576,882.58
  5. Step 5: Solve for x
    x = 909,576,882.58/47,757.51
  6. Step 6: Final answer
    x = 19,045.74

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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.