Home / 76,114.49-114,240.98-40,605.91

Finding the Fourth Proportional to 76,114.49, 114,240.98 and 40,605.91

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Solution

The fourth proportional to 76,114.49, 114,240.98 and 40,605.91 is: 60,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,114.49 : 114,240.98 = 40,605.91 : x
  2. Step 2: Convert to fraction form
    76,114.49/114,240.98 = 40,605.91/x
  3. Step 3: Cross multiply
    76,114.49x = 114,240.98 × 40,605.91
  4. Step 4: Simplify right side
    76,114.49x = 4,638,858,768.10
  5. Step 5: Solve for x
    x = 4,638,858,768.10/76,114.49
  6. Step 6: Final answer
    x = 60,945.81

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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.