Home / 85,579.05-118,090.00-47,332.52

Finding the Fourth Proportional to 85,579.05, 118,090.00 and 47,332.52

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Solution

The fourth proportional to 85,579.05, 118,090.00 and 47,332.52 is: 65,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,579.05 : 118,090.00 = 47,332.52 : x
  2. Step 2: Convert to fraction form
    85,579.05/118,090.00 = 47,332.52/x
  3. Step 3: Cross multiply
    85,579.05x = 118,090.00 × 47,332.52
  4. Step 4: Simplify right side
    85,579.05x = 5,589,497,198.35
  5. Step 5: Solve for x
    x = 5,589,497,198.35/85,579.05
  6. Step 6: Final answer
    x = 65,313.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.