Home / 108,004.20-161,747.10-52,535.40

Finding the Fourth Proportional to 108,004.20, 161,747.10 and 52,535.40

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Solution

The fourth proportional to 108,004.20, 161,747.10 and 52,535.40 is: 78,677.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,004.20 : 161,747.10 = 52,535.40 : x
  2. Step 2: Convert to fraction form
    108,004.20/161,747.10 = 52,535.40/x
  3. Step 3: Cross multiply
    108,004.20x = 161,747.10 × 52,535.40
  4. Step 4: Simplify right side
    108,004.20x = 8,497,448,597.34
  5. Step 5: Solve for x
    x = 8,497,448,597.34/108,004.20
  6. Step 6: Final answer
    x = 78,677.02

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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.