Home / 76,382.98-114,574.27-43,087.93

Finding the Fourth Proportional to 76,382.98, 114,574.27 and 43,087.93

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Solution

The fourth proportional to 76,382.98, 114,574.27 and 43,087.93 is: 64,631.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,382.98 : 114,574.27 = 43,087.93 : x
  2. Step 2: Convert to fraction form
    76,382.98/114,574.27 = 43,087.93/x
  3. Step 3: Cross multiply
    76,382.98x = 114,574.27 × 43,087.93
  4. Step 4: Simplify right side
    76,382.98x = 4,936,768,125.56
  5. Step 5: Solve for x
    x = 4,936,768,125.56/76,382.98
  6. Step 6: Final answer
    x = 64,631.78

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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.