Home / 108,541.91-162,532.46-74,911.70

Finding the Fourth Proportional to 108,541.91, 162,532.46 and 74,911.70

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Solution

The fourth proportional to 108,541.91, 162,532.46 and 74,911.70 is: 112,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,541.91 : 162,532.46 = 74,911.70 : x
  2. Step 2: Convert to fraction form
    108,541.91/162,532.46 = 74,911.70/x
  3. Step 3: Cross multiply
    108,541.91x = 162,532.46 × 74,911.70
  4. Step 4: Simplify right side
    108,541.91x = 12,175,581,696.56
  5. Step 5: Solve for x
    x = 12,175,581,696.56/108,541.91
  6. Step 6: Final answer
    x = 112,174.02

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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.