Home / 53,101.72-79,666.25-15,660.28

Finding the Fourth Proportional to 53,101.72, 79,666.25 and 15,660.28

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Solution

The fourth proportional to 53,101.72, 79,666.25 and 15,660.28 is: 23,494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,101.72 : 79,666.25 = 15,660.28 : x
  2. Step 2: Convert to fraction form
    53,101.72/79,666.25 = 15,660.28/x
  3. Step 3: Cross multiply
    53,101.72x = 79,666.25 × 15,660.28
  4. Step 4: Simplify right side
    53,101.72x = 1,247,595,504.08
  5. Step 5: Solve for x
    x = 1,247,595,504.08/53,101.72
  6. Step 6: Final answer
    x = 23,494.45

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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.