Home / 76,730.96-115,052.70-41,148.48

Finding the Fourth Proportional to 76,730.96, 115,052.70 and 41,148.48

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Solution

The fourth proportional to 76,730.96, 115,052.70 and 41,148.48 is: 61,699.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,730.96 : 115,052.70 = 41,148.48 : x
  2. Step 2: Convert to fraction form
    76,730.96/115,052.70 = 41,148.48/x
  3. Step 3: Cross multiply
    76,730.96x = 115,052.70 × 41,148.48
  4. Step 4: Simplify right side
    76,730.96x = 4,734,243,724.90
  5. Step 5: Solve for x
    x = 4,734,243,724.90/76,730.96
  6. Step 6: Final answer
    x = 61,699.26

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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.