Home / 53,163.08-79,725.88-15,713.20

Finding the Fourth Proportional to 53,163.08, 79,725.88 and 15,713.20

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Solution

The fourth proportional to 53,163.08, 79,725.88 and 15,713.20 is: 23,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,163.08 : 79,725.88 = 15,713.20 : x
  2. Step 2: Convert to fraction form
    53,163.08/79,725.88 = 15,713.20/x
  3. Step 3: Cross multiply
    53,163.08x = 79,725.88 × 15,713.20
  4. Step 4: Simplify right side
    53,163.08x = 1,252,748,697.62
  5. Step 5: Solve for x
    x = 1,252,748,697.62/53,163.08
  6. Step 6: Final answer
    x = 23,564.26

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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.