Home / 108,482.24-162,429.68-76,761.92

Finding the Fourth Proportional to 108,482.24, 162,429.68 and 76,761.92

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Solution

The fourth proportional to 108,482.24, 162,429.68 and 76,761.92 is: 114,935.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,482.24 : 162,429.68 = 76,761.92 : x
  2. Step 2: Convert to fraction form
    108,482.24/162,429.68 = 76,761.92/x
  3. Step 3: Cross multiply
    108,482.24x = 162,429.68 × 76,761.92
  4. Step 4: Simplify right side
    108,482.24x = 12,468,414,101.79
  5. Step 5: Solve for x
    x = 12,468,414,101.79/108,482.24
  6. Step 6: Final answer
    x = 114,935.07

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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.