Home / 76,804.18-115,206-34,699.03

Finding the Fourth Proportional to 76,804.18, 115,206 and 34,699.03

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Solution

The fourth proportional to 76,804.18, 115,206 and 34,699.03 is: 52,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,804.18 : 115,206 = 34,699.03 : x
  2. Step 2: Convert to fraction form
    76,804.18/115,206 = 34,699.03/x
  3. Step 3: Cross multiply
    76,804.18x = 115,206 × 34,699.03
  4. Step 4: Simplify right side
    76,804.18x = 3,997,536,450.18
  5. Step 5: Solve for x
    x = 3,997,536,450.18/76,804.18
  6. Step 6: Final answer
    x = 52,048.42

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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.