Home / 104,381.73-156,570.76-72,331.24

Finding the Fourth Proportional to 104,381.73, 156,570.76 and 72,331.24

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Solution

The fourth proportional to 104,381.73, 156,570.76 and 72,331.24 is: 108,495.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,381.73 : 156,570.76 = 72,331.24 : x
  2. Step 2: Convert to fraction form
    104,381.73/156,570.76 = 72,331.24/x
  3. Step 3: Cross multiply
    104,381.73x = 156,570.76 × 72,331.24
  4. Step 4: Simplify right side
    104,381.73x = 11,324,956,856.89
  5. Step 5: Solve for x
    x = 11,324,956,856.89/104,381.73
  6. Step 6: Final answer
    x = 108,495.59

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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.