Home / 83,087.37-114,645.38-54,776.25

Finding the Fourth Proportional to 83,087.37, 114,645.38 and 54,776.25

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Solution

The fourth proportional to 83,087.37, 114,645.38 and 54,776.25 is: 75,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,087.37 : 114,645.38 = 54,776.25 : x
  2. Step 2: Convert to fraction form
    83,087.37/114,645.38 = 54,776.25/x
  3. Step 3: Cross multiply
    83,087.37x = 114,645.38 × 54,776.25
  4. Step 4: Simplify right side
    83,087.37x = 6,279,843,722.34
  5. Step 5: Solve for x
    x = 6,279,843,722.34/83,087.37
  6. Step 6: Final answer
    x = 75,581.21

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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.