Home / 72,817.68-109,175.76-32,269.12

Finding the Fourth Proportional to 72,817.68, 109,175.76 and 32,269.12

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Solution

The fourth proportional to 72,817.68, 109,175.76 and 32,269.12 is: 48,381.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,817.68 : 109,175.76 = 32,269.12 : x
  2. Step 2: Convert to fraction form
    72,817.68/109,175.76 = 32,269.12/x
  3. Step 3: Cross multiply
    72,817.68x = 109,175.76 × 32,269.12
  4. Step 4: Simplify right side
    72,817.68x = 3,523,005,242.68
  5. Step 5: Solve for x
    x = 3,523,005,242.68/72,817.68
  6. Step 6: Final answer
    x = 48,381.18

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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.