Home / 90,467.89-124,851.34-52,234.43

Finding the Fourth Proportional to 90,467.89, 124,851.34 and 52,234.43

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Solution

The fourth proportional to 90,467.89, 124,851.34 and 52,234.43 is: 72,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,467.89 : 124,851.34 = 52,234.43 : x
  2. Step 2: Convert to fraction form
    90,467.89/124,851.34 = 52,234.43/x
  3. Step 3: Cross multiply
    90,467.89x = 124,851.34 × 52,234.43
  4. Step 4: Simplify right side
    90,467.89x = 6,521,538,579.64
  5. Step 5: Solve for x
    x = 6,521,538,579.64/90,467.89
  6. Step 6: Final answer
    x = 72,086.78

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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.