Home / 72,182.18-108,273.27-35,214.50

Finding the Fourth Proportional to 72,182.18, 108,273.27 and 35,214.50

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Solution

The fourth proportional to 72,182.18, 108,273.27 and 35,214.50 is: 52,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,182.18 : 108,273.27 = 35,214.50 : x
  2. Step 2: Convert to fraction form
    72,182.18/108,273.27 = 35,214.50/x
  3. Step 3: Cross multiply
    72,182.18x = 108,273.27 × 35,214.50
  4. Step 4: Simplify right side
    72,182.18x = 3,812,789,066.42
  5. Step 5: Solve for x
    x = 3,812,789,066.42/72,182.18
  6. Step 6: Final answer
    x = 52,821.75

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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.