Home / 108,313.81-162,401.50-52,041.94

Finding the Fourth Proportional to 108,313.81, 162,401.50 and 52,041.94

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Solution

The fourth proportional to 108,313.81, 162,401.50 and 52,041.94 is: 78,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,313.81 : 162,401.50 = 52,041.94 : x
  2. Step 2: Convert to fraction form
    108,313.81/162,401.50 = 52,041.94/x
  3. Step 3: Cross multiply
    108,313.81x = 162,401.50 × 52,041.94
  4. Step 4: Simplify right side
    108,313.81x = 8,451,689,118.91
  5. Step 5: Solve for x
    x = 8,451,689,118.91/108,313.81
  6. Step 6: Final answer
    x = 78,029.65

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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.