Home / 76,958.10-115,228.62-39,944.34

Finding the Fourth Proportional to 76,958.10, 115,228.62 and 39,944.34

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Solution

The fourth proportional to 76,958.10, 115,228.62 and 39,944.34 is: 59,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,958.10 : 115,228.62 = 39,944.34 : x
  2. Step 2: Convert to fraction form
    76,958.10/115,228.62 = 39,944.34/x
  3. Step 3: Cross multiply
    76,958.10x = 115,228.62 × 39,944.34
  4. Step 4: Simplify right side
    76,958.10x = 4,602,731,175.01
  5. Step 5: Solve for x
    x = 4,602,731,175.01/76,958.10
  6. Step 6: Final answer
    x = 59,808.27

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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.