Home / 83,383.24-115,086.74-53,161.60

Finding the Fourth Proportional to 83,383.24, 115,086.74 and 53,161.60

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Solution

The fourth proportional to 83,383.24, 115,086.74 and 53,161.60 is: 73,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,383.24 : 115,086.74 = 53,161.60 : x
  2. Step 2: Convert to fraction form
    83,383.24/115,086.74 = 53,161.60/x
  3. Step 3: Cross multiply
    83,383.24x = 115,086.74 × 53,161.60
  4. Step 4: Simplify right side
    83,383.24x = 6,118,195,237.18
  5. Step 5: Solve for x
    x = 6,118,195,237.18/83,383.24
  6. Step 6: Final answer
    x = 73,374.40

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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.