Home / 76,584.32-105,691.20-43,052.48

Finding the Fourth Proportional to 76,584.32, 105,691.20 and 43,052.48

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Solution

The fourth proportional to 76,584.32, 105,691.20 and 43,052.48 is: 59,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,584.32 : 105,691.20 = 43,052.48 : x
  2. Step 2: Convert to fraction form
    76,584.32/105,691.20 = 43,052.48/x
  3. Step 3: Cross multiply
    76,584.32x = 105,691.20 × 43,052.48
  4. Step 4: Simplify right side
    76,584.32x = 4,550,268,274.18
  5. Step 5: Solve for x
    x = 4,550,268,274.18/76,584.32
  6. Step 6: Final answer
    x = 59,415.14

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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.