Home / 47,174.90-70,763.43-12,114.86

Finding the Fourth Proportional to 47,174.90, 70,763.43 and 12,114.86

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Solution

The fourth proportional to 47,174.90, 70,763.43 and 12,114.86 is: 18,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,174.90 : 70,763.43 = 12,114.86 : x
  2. Step 2: Convert to fraction form
    47,174.90/70,763.43 = 12,114.86/x
  3. Step 3: Cross multiply
    47,174.90x = 70,763.43 × 12,114.86
  4. Step 4: Simplify right side
    47,174.90x = 857,289,047.57
  5. Step 5: Solve for x
    x = 857,289,047.57/47,174.90
  6. Step 6: Final answer
    x = 18,172.57

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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.