Home / 90,245.22-124,536.84-49,958.10

Finding the Fourth Proportional to 90,245.22, 124,536.84 and 49,958.10

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Solution

The fourth proportional to 90,245.22, 124,536.84 and 49,958.10 is: 68,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,245.22 : 124,536.84 = 49,958.10 : x
  2. Step 2: Convert to fraction form
    90,245.22/124,536.84 = 49,958.10/x
  3. Step 3: Cross multiply
    90,245.22x = 124,536.84 × 49,958.10
  4. Step 4: Simplify right side
    90,245.22x = 6,221,623,906.40
  5. Step 5: Solve for x
    x = 6,221,623,906.40/90,245.22
  6. Step 6: Final answer
    x = 68,941.31

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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.