Home / 85,651.28-118,201.94-46,891.82

Finding the Fourth Proportional to 85,651.28, 118,201.94 and 46,891.82

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Solution

The fourth proportional to 85,651.28, 118,201.94 and 46,891.82 is: 64,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,651.28 : 118,201.94 = 46,891.82 : x
  2. Step 2: Convert to fraction form
    85,651.28/118,201.94 = 46,891.82/x
  3. Step 3: Cross multiply
    85,651.28x = 118,201.94 × 46,891.82
  4. Step 4: Simplify right side
    85,651.28x = 5,542,704,094.13
  5. Step 5: Solve for x
    x = 5,542,704,094.13/85,651.28
  6. Step 6: Final answer
    x = 64,712.45

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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.