Home / 76,957.31-115,435.35-41,435.27

Finding the Fourth Proportional to 76,957.31, 115,435.35 and 41,435.27

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Solution

The fourth proportional to 76,957.31, 115,435.35 and 41,435.27 is: 62,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,957.31 : 115,435.35 = 41,435.27 : x
  2. Step 2: Convert to fraction form
    76,957.31/115,435.35 = 41,435.27/x
  3. Step 3: Cross multiply
    76,957.31x = 115,435.35 × 41,435.27
  4. Step 4: Simplify right side
    76,957.31x = 4,783,094,317.62
  5. Step 5: Solve for x
    x = 4,783,094,317.62/76,957.31
  6. Step 6: Final answer
    x = 62,152.57

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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.