Home / 104,367.72-156,423.27-48,129.75

Finding the Fourth Proportional to 104,367.72, 156,423.27 and 48,129.75

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Solution

The fourth proportional to 104,367.72, 156,423.27 and 48,129.75 is: 72,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,367.72 : 156,423.27 = 48,129.75 : x
  2. Step 2: Convert to fraction form
    104,367.72/156,423.27 = 48,129.75/x
  3. Step 3: Cross multiply
    104,367.72x = 156,423.27 × 48,129.75
  4. Step 4: Simplify right side
    104,367.72x = 7,528,612,879.28
  5. Step 5: Solve for x
    x = 7,528,612,879.28/104,367.72
  6. Step 6: Final answer
    x = 72,135.45

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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.