Home / 108,269.12-162,451.16-51,384.11

Finding the Fourth Proportional to 108,269.12, 162,451.16 and 51,384.11

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Solution

The fourth proportional to 108,269.12, 162,451.16 and 51,384.11 is: 77,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,269.12 : 162,451.16 = 51,384.11 : x
  2. Step 2: Convert to fraction form
    108,269.12/162,451.16 = 51,384.11/x
  3. Step 3: Cross multiply
    108,269.12x = 162,451.16 × 51,384.11
  4. Step 4: Simplify right side
    108,269.12x = 8,347,408,018.15
  5. Step 5: Solve for x
    x = 8,347,408,018.15/108,269.12
  6. Step 6: Final answer
    x = 77,098.70

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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.