Home / 108,440.43-162,423.73-45,068.41

Finding the Fourth Proportional to 108,440.43, 162,423.73 and 45,068.41

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Solution

The fourth proportional to 108,440.43, 162,423.73 and 45,068.41 is: 67,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,440.43 : 162,423.73 = 45,068.41 : x
  2. Step 2: Convert to fraction form
    108,440.43/162,423.73 = 45,068.41/x
  3. Step 3: Cross multiply
    108,440.43x = 162,423.73 × 45,068.41
  4. Step 4: Simplify right side
    108,440.43x = 7,320,179,257.37
  5. Step 5: Solve for x
    x = 7,320,179,257.37/108,440.43
  6. Step 6: Final answer
    x = 67,504.15

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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.