Home / 76,650.36-114,918.24-52,890.12

Finding the Fourth Proportional to 76,650.36, 114,918.24 and 52,890.12

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Solution

The fourth proportional to 76,650.36, 114,918.24 and 52,890.12 is: 79,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,650.36 : 114,918.24 = 52,890.12 : x
  2. Step 2: Convert to fraction form
    76,650.36/114,918.24 = 52,890.12/x
  3. Step 3: Cross multiply
    76,650.36x = 114,918.24 × 52,890.12
  4. Step 4: Simplify right side
    76,650.36x = 6,078,039,503.79
  5. Step 5: Solve for x
    x = 6,078,039,503.79/76,650.36
  6. Step 6: Final answer
    x = 79,295.64

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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.