Home / 76,669.10-115,003.65-24,083.90

Finding the Fourth Proportional to 76,669.10, 115,003.65 and 24,083.90

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Solution

The fourth proportional to 76,669.10, 115,003.65 and 24,083.90 is: 36,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,669.10 : 115,003.65 = 24,083.90 : x
  2. Step 2: Convert to fraction form
    76,669.10/115,003.65 = 24,083.90/x
  3. Step 3: Cross multiply
    76,669.10x = 115,003.65 × 24,083.90
  4. Step 4: Simplify right side
    76,669.10x = 2,769,736,406.24
  5. Step 5: Solve for x
    x = 2,769,736,406.24/76,669.10
  6. Step 6: Final answer
    x = 36,125.85

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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.