Home / 79,246.49-118,832.12-45,976.76

Finding the Fourth Proportional to 79,246.49, 118,832.12 and 45,976.76

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Solution

The fourth proportional to 79,246.49, 118,832.12 and 45,976.76 is: 68,943.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,246.49 : 118,832.12 = 45,976.76 : x
  2. Step 2: Convert to fraction form
    79,246.49/118,832.12 = 45,976.76/x
  3. Step 3: Cross multiply
    79,246.49x = 118,832.12 × 45,976.76
  4. Step 4: Simplify right side
    79,246.49x = 5,463,515,037.49
  5. Step 5: Solve for x
    x = 5,463,515,037.49/79,246.49
  6. Step 6: Final answer
    x = 68,943.31

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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.