Home / 83,395.28-115,103.34-53,173.64

Finding the Fourth Proportional to 83,395.28, 115,103.34 and 53,173.64

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Solution

The fourth proportional to 83,395.28, 115,103.34 and 53,173.64 is: 73,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,395.28 : 115,103.34 = 53,173.64 : x
  2. Step 2: Convert to fraction form
    83,395.28/115,103.34 = 53,173.64/x
  3. Step 3: Cross multiply
    83,395.28x = 115,103.34 × 53,173.64
  4. Step 4: Simplify right side
    83,395.28x = 6,120,463,563.96
  5. Step 5: Solve for x
    x = 6,120,463,563.96/83,395.28
  6. Step 6: Final answer
    x = 73,391.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.