Home / 108,577.28-162,839.70-45,363.24

Finding the Fourth Proportional to 108,577.28, 162,839.70 and 45,363.24

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Solution

The fourth proportional to 108,577.28, 162,839.70 and 45,363.24 is: 68,033.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,577.28 : 162,839.70 = 45,363.24 : x
  2. Step 2: Convert to fraction form
    108,577.28/162,839.70 = 45,363.24/x
  3. Step 3: Cross multiply
    108,577.28x = 162,839.70 × 45,363.24
  4. Step 4: Simplify right side
    108,577.28x = 7,386,936,392.63
  5. Step 5: Solve for x
    x = 7,386,936,392.63/108,577.28
  6. Step 6: Final answer
    x = 68,033.91

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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.