Home / 90,536.66-124,934.72-50,250.43

Finding the Fourth Proportional to 90,536.66, 124,934.72 and 50,250.43

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Solution

The fourth proportional to 90,536.66, 124,934.72 and 50,250.43 is: 69,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,536.66 : 124,934.72 = 50,250.43 : x
  2. Step 2: Convert to fraction form
    90,536.66/124,934.72 = 50,250.43/x
  3. Step 3: Cross multiply
    90,536.66x = 124,934.72 × 50,250.43
  4. Step 4: Simplify right side
    90,536.66x = 6,278,023,589.50
  5. Step 5: Solve for x
    x = 6,278,023,589.50/90,536.66
  6. Step 6: Final answer
    x = 69,342.34

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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.