Home / 90,493.32-124,880.81-50,207.52

Finding the Fourth Proportional to 90,493.32, 124,880.81 and 50,207.52

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Solution

The fourth proportional to 90,493.32, 124,880.81 and 50,207.52 is: 69,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,493.32 : 124,880.81 = 50,207.52 : x
  2. Step 2: Convert to fraction form
    90,493.32/124,880.81 = 50,207.52/x
  3. Step 3: Cross multiply
    90,493.32x = 124,880.81 × 50,207.52
  4. Step 4: Simplify right side
    90,493.32x = 6,269,955,514.65
  5. Step 5: Solve for x
    x = 6,269,955,514.65/90,493.32
  6. Step 6: Final answer
    x = 69,286.39

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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.