Home / 76,703.98-114,959.04-34,539.16

Finding the Fourth Proportional to 76,703.98, 114,959.04 and 34,539.16

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Solution

The fourth proportional to 76,703.98, 114,959.04 and 34,539.16 is: 51,765.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,703.98 : 114,959.04 = 34,539.16 : x
  2. Step 2: Convert to fraction form
    76,703.98/114,959.04 = 34,539.16/x
  3. Step 3: Cross multiply
    76,703.98x = 114,959.04 × 34,539.16
  4. Step 4: Simplify right side
    76,703.98x = 3,970,588,676.01
  5. Step 5: Solve for x
    x = 3,970,588,676.01/76,703.98
  6. Step 6: Final answer
    x = 51,765.09

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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.