Home / 72,191.18-108,286.77-35,223.50

Finding the Fourth Proportional to 72,191.18, 108,286.77 and 35,223.50

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Solution

The fourth proportional to 72,191.18, 108,286.77 and 35,223.50 is: 52,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,191.18 : 108,286.77 = 35,223.50 : x
  2. Step 2: Convert to fraction form
    72,191.18/108,286.77 = 35,223.50/x
  3. Step 3: Cross multiply
    72,191.18x = 108,286.77 × 35,223.50
  4. Step 4: Simplify right side
    72,191.18x = 3,814,239,043.10
  5. Step 5: Solve for x
    x = 3,814,239,043.10/72,191.18
  6. Step 6: Final answer
    x = 52,835.25

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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.