Home / 104,520.24-156,982.05-89,561.16

Finding the Fourth Proportional to 104,520.24, 156,982.05 and 89,561.16

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Solution

The fourth proportional to 104,520.24, 156,982.05 and 89,561.16 is: 134,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,520.24 : 156,982.05 = 89,561.16 : x
  2. Step 2: Convert to fraction form
    104,520.24/156,982.05 = 89,561.16/x
  3. Step 3: Cross multiply
    104,520.24x = 156,982.05 × 89,561.16
  4. Step 4: Simplify right side
    104,520.24x = 14,059,494,497.18
  5. Step 5: Solve for x
    x = 14,059,494,497.18/104,520.24
  6. Step 6: Final answer
    x = 134,514.56

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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.