Home / 108,529.96-163,044.45-76,582.54

Finding the Fourth Proportional to 108,529.96, 163,044.45 and 76,582.54

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Solution

The fourth proportional to 108,529.96, 163,044.45 and 76,582.54 is: 115,049.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,529.96 : 163,044.45 = 76,582.54 : x
  2. Step 2: Convert to fraction form
    108,529.96/163,044.45 = 76,582.54/x
  3. Step 3: Cross multiply
    108,529.96x = 163,044.45 × 76,582.54
  4. Step 4: Simplify right side
    108,529.96x = 12,486,358,113.90
  5. Step 5: Solve for x
    x = 12,486,358,113.90/108,529.96
  6. Step 6: Final answer
    x = 115,049.87

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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.