Home / 53,170.73-79,756.08-15,727.88

Finding the Fourth Proportional to 53,170.73, 79,756.08 and 15,727.88

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Solution

The fourth proportional to 53,170.73, 79,756.08 and 15,727.88 is: 23,591.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,170.73 : 79,756.08 = 15,727.88 : x
  2. Step 2: Convert to fraction form
    53,170.73/79,756.08 = 15,727.88/x
  3. Step 3: Cross multiply
    53,170.73x = 79,756.08 × 15,727.88
  4. Step 4: Simplify right side
    53,170.73x = 1,254,393,656.73
  5. Step 5: Solve for x
    x = 1,254,393,656.73/53,170.73
  6. Step 6: Final answer
    x = 23,591.81

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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.