Home / 76,534.44-105,717.90-52,619.64

Finding the Fourth Proportional to 76,534.44, 105,717.90 and 52,619.64

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Solution

The fourth proportional to 76,534.44, 105,717.90 and 52,619.64 is: 72,684.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,534.44 : 105,717.90 = 52,619.64 : x
  2. Step 2: Convert to fraction form
    76,534.44/105,717.90 = 52,619.64/x
  3. Step 3: Cross multiply
    76,534.44x = 105,717.90 × 52,619.64
  4. Step 4: Simplify right side
    76,534.44x = 5,562,837,839.56
  5. Step 5: Solve for x
    x = 5,562,837,839.56/76,534.44
  6. Step 6: Final answer
    x = 72,684.11

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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.