Home / 53,171.56-79,757.34-15,728.72

Finding the Fourth Proportional to 53,171.56, 79,757.34 and 15,728.72

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Solution

The fourth proportional to 53,171.56, 79,757.34 and 15,728.72 is: 23,593.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,171.56 : 79,757.34 = 15,728.72 : x
  2. Step 2: Convert to fraction form
    53,171.56/79,757.34 = 15,728.72/x
  3. Step 3: Cross multiply
    53,171.56x = 79,757.34 × 15,728.72
  4. Step 4: Simplify right side
    53,171.56x = 1,254,480,868.80
  5. Step 5: Solve for x
    x = 1,254,480,868.80/53,171.56
  6. Step 6: Final answer
    x = 23,593.08

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1.5x scale

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.