Home / 76,629.83-105,797.75-52,471.22

Finding the Fourth Proportional to 76,629.83, 105,797.75 and 52,471.22

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Solution

The fourth proportional to 76,629.83, 105,797.75 and 52,471.22 is: 72,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,629.83 : 105,797.75 = 52,471.22 : x
  2. Step 2: Convert to fraction form
    76,629.83/105,797.75 = 52,471.22/x
  3. Step 3: Cross multiply
    76,629.83x = 105,797.75 × 52,471.22
  4. Step 4: Simplify right side
    76,629.83x = 5,551,336,224.41
  5. Step 5: Solve for x
    x = 5,551,336,224.41/76,629.83
  6. Step 6: Final answer
    x = 72,443.55

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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.