Home / 76,109.12-114,129.93-40,563.82

Finding the Fourth Proportional to 76,109.12, 114,129.93 and 40,563.82

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Solution

The fourth proportional to 76,109.12, 114,129.93 and 40,563.82 is: 60,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,109.12 : 114,129.93 = 40,563.82 : x
  2. Step 2: Convert to fraction form
    76,109.12/114,129.93 = 40,563.82/x
  3. Step 3: Cross multiply
    76,109.12x = 114,129.93 × 40,563.82
  4. Step 4: Simplify right side
    76,109.12x = 4,629,545,366.48
  5. Step 5: Solve for x
    x = 4,629,545,366.48/76,109.12
  6. Step 6: Final answer
    x = 60,827.73

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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.