Home / 72,016.20-108,056.70-25,302.60

Finding the Fourth Proportional to 72,016.20, 108,056.70 and 25,302.60

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Solution

The fourth proportional to 72,016.20, 108,056.70 and 25,302.60 is: 37,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,016.20 : 108,056.70 = 25,302.60 : x
  2. Step 2: Convert to fraction form
    72,016.20/108,056.70 = 25,302.60/x
  3. Step 3: Cross multiply
    72,016.20x = 108,056.70 × 25,302.60
  4. Step 4: Simplify right side
    72,016.20x = 2,734,115,457.42
  5. Step 5: Solve for x
    x = 2,734,115,457.42/72,016.20
  6. Step 6: Final answer
    x = 37,965.28

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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.