Home / 50,659.06-75,642.67-45,359.86

Finding the Fourth Proportional to 50,659.06, 75,642.67 and 45,359.86

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Solution

The fourth proportional to 50,659.06, 75,642.67 and 45,359.86 is: 67,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,659.06 : 75,642.67 = 45,359.86 : x
  2. Step 2: Convert to fraction form
    50,659.06/75,642.67 = 45,359.86/x
  3. Step 3: Cross multiply
    50,659.06x = 75,642.67 × 45,359.86
  4. Step 4: Simplify right side
    50,659.06x = 3,431,140,694.43
  5. Step 5: Solve for x
    x = 3,431,140,694.43/50,659.06
  6. Step 6: Final answer
    x = 67,730.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.