Home / 108,086.20-162,225.30-63,657.40

Finding the Fourth Proportional to 108,086.20, 162,225.30 and 63,657.40

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Solution

The fourth proportional to 108,086.20, 162,225.30 and 63,657.40 is: 95,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,086.20 : 162,225.30 = 63,657.40 : x
  2. Step 2: Convert to fraction form
    108,086.20/162,225.30 = 63,657.40/x
  3. Step 3: Cross multiply
    108,086.20x = 162,225.30 × 63,657.40
  4. Step 4: Simplify right side
    108,086.20x = 10,326,840,812.22
  5. Step 5: Solve for x
    x = 10,326,840,812.22/108,086.20
  6. Step 6: Final answer
    x = 95,542.64

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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.