Home / 76,701.96-114,836.64-40,596.62

Finding the Fourth Proportional to 76,701.96, 114,836.64 and 40,596.62

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Solution

The fourth proportional to 76,701.96, 114,836.64 and 40,596.62 is: 60,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,701.96 : 114,836.64 = 40,596.62 : x
  2. Step 2: Convert to fraction form
    76,701.96/114,836.64 = 40,596.62/x
  3. Step 3: Cross multiply
    76,701.96x = 114,836.64 × 40,596.62
  4. Step 4: Simplify right side
    76,701.96x = 4,661,979,436.16
  5. Step 5: Solve for x
    x = 4,661,979,436.16/76,701.96
  6. Step 6: Final answer
    x = 60,780.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.