Home / 52,808.16-79,015.38-52,217.64

Finding the Fourth Proportional to 52,808.16, 79,015.38 and 52,217.64

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Solution

The fourth proportional to 52,808.16, 79,015.38 and 52,217.64 is: 78,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,808.16 : 79,015.38 = 52,217.64 : x
  2. Step 2: Convert to fraction form
    52,808.16/79,015.38 = 52,217.64/x
  3. Step 3: Cross multiply
    52,808.16x = 79,015.38 × 52,217.64
  4. Step 4: Simplify right side
    52,808.16x = 4,125,996,667.30
  5. Step 5: Solve for x
    x = 4,125,996,667.30/52,808.16
  6. Step 6: Final answer
    x = 78,131.80

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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.