Home / 52,711.08-79,066.38-13,268.21

Finding the Fourth Proportional to 52,711.08, 79,066.38 and 13,268.21

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Solution

The fourth proportional to 52,711.08, 79,066.38 and 13,268.21 is: 19,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,711.08 : 79,066.38 = 13,268.21 : x
  2. Step 2: Convert to fraction form
    52,711.08/79,066.38 = 13,268.21/x
  3. Step 3: Cross multiply
    52,711.08x = 79,066.38 × 13,268.21
  4. Step 4: Simplify right side
    52,711.08x = 1,049,068,913.57
  5. Step 5: Solve for x
    x = 1,049,068,913.57/52,711.08
  6. Step 6: Final answer
    x = 19,902.25

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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.