Home / 83,383.74-115,087.43-53,162.10

Finding the Fourth Proportional to 83,383.74, 115,087.43 and 53,162.10

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Solution

The fourth proportional to 83,383.74, 115,087.43 and 53,162.10 is: 73,375.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,383.74 : 115,087.43 = 53,162.10 : x
  2. Step 2: Convert to fraction form
    83,383.74/115,087.43 = 53,162.10/x
  3. Step 3: Cross multiply
    83,383.74x = 115,087.43 × 53,162.10
  4. Step 4: Simplify right side
    83,383.74x = 6,118,289,462.40
  5. Step 5: Solve for x
    x = 6,118,289,462.40/83,383.74
  6. Step 6: Final answer
    x = 73,375.09

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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.