Home / 47,156.90-70,735.38-12,096.57

Finding the Fourth Proportional to 47,156.90, 70,735.38 and 12,096.57

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Solution

The fourth proportional to 47,156.90, 70,735.38 and 12,096.57 is: 18,144.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,156.90 : 70,735.38 = 12,096.57 : x
  2. Step 2: Convert to fraction form
    47,156.90/70,735.38 = 12,096.57/x
  3. Step 3: Cross multiply
    47,156.90x = 70,735.38 × 12,096.57
  4. Step 4: Simplify right side
    47,156.90x = 855,655,415.16
  5. Step 5: Solve for x
    x = 855,655,415.16/47,156.90
  6. Step 6: Final answer
    x = 18,144.86

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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.