Home / 52,905.26-79,357.08-21,718.64

Finding the Fourth Proportional to 52,905.26, 79,357.08 and 21,718.64

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Solution

The fourth proportional to 52,905.26, 79,357.08 and 21,718.64 is: 32,577.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,905.26 : 79,357.08 = 21,718.64 : x
  2. Step 2: Convert to fraction form
    52,905.26/79,357.08 = 21,718.64/x
  3. Step 3: Cross multiply
    52,905.26x = 79,357.08 × 21,718.64
  4. Step 4: Simplify right side
    52,905.26x = 1,723,527,851.97
  5. Step 5: Solve for x
    x = 1,723,527,851.97/52,905.26
  6. Step 6: Final answer
    x = 32,577.63

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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.