Home / 108,582.26-162,873.38-53,139.38

Finding the Fourth Proportional to 108,582.26, 162,873.38 and 53,139.38

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Solution

The fourth proportional to 108,582.26, 162,873.38 and 53,139.38 is: 79,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,582.26 : 162,873.38 = 53,139.38 : x
  2. Step 2: Convert to fraction form
    108,582.26/162,873.38 = 53,139.38/x
  3. Step 3: Cross multiply
    108,582.26x = 162,873.38 × 53,139.38
  4. Step 4: Simplify right side
    108,582.26x = 8,654,989,750.19
  5. Step 5: Solve for x
    x = 8,654,989,750.19/108,582.26
  6. Step 6: Final answer
    x = 79,709.06

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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.