Home / 108,564.85-162,808.87-51,632.05

Finding the Fourth Proportional to 108,564.85, 162,808.87 and 51,632.05

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Solution

The fourth proportional to 108,564.85, 162,808.87 and 51,632.05 is: 77,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,564.85 : 162,808.87 = 51,632.05 : x
  2. Step 2: Convert to fraction form
    108,564.85/162,808.87 = 51,632.05/x
  3. Step 3: Cross multiply
    108,564.85x = 162,808.87 × 51,632.05
  4. Step 4: Simplify right side
    108,564.85x = 8,406,155,716.28
  5. Step 5: Solve for x
    x = 8,406,155,716.28/108,564.85
  6. Step 6: Final answer
    x = 77,429.81

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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.