Home / 76,858.56-115,267.20-29,463.36

Finding the Fourth Proportional to 76,858.56, 115,267.20 and 29,463.36

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Solution

The fourth proportional to 76,858.56, 115,267.20 and 29,463.36 is: 44,187.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,858.56 : 115,267.20 = 29,463.36 : x
  2. Step 2: Convert to fraction form
    76,858.56/115,267.20 = 29,463.36/x
  3. Step 3: Cross multiply
    76,858.56x = 115,267.20 × 29,463.36
  4. Step 4: Simplify right side
    76,858.56x = 3,396,159,009.79
  5. Step 5: Solve for x
    x = 3,396,159,009.79/76,858.56
  6. Step 6: Final answer
    x = 44,187.13

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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.