Home / 90,673.62-125,115.24-52,418.94

Finding the Fourth Proportional to 90,673.62, 125,115.24 and 52,418.94

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Solution

The fourth proportional to 90,673.62, 125,115.24 and 52,418.94 is: 72,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,673.62 : 125,115.24 = 52,418.94 : x
  2. Step 2: Convert to fraction form
    90,673.62/125,115.24 = 52,418.94/x
  3. Step 3: Cross multiply
    90,673.62x = 125,115.24 × 52,418.94
  4. Step 4: Simplify right side
    90,673.62x = 6,558,408,258.65
  5. Step 5: Solve for x
    x = 6,558,408,258.65/90,673.62
  6. Step 6: Final answer
    x = 72,329.84

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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.