Home / 84,042.80-115,983.38-46,317.04

Finding the Fourth Proportional to 84,042.80, 115,983.38 and 46,317.04

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Solution

The fourth proportional to 84,042.80, 115,983.38 and 46,317.04 is: 63,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,042.80 : 115,983.38 = 46,317.04 : x
  2. Step 2: Convert to fraction form
    84,042.80/115,983.38 = 46,317.04/x
  3. Step 3: Cross multiply
    84,042.80x = 115,983.38 × 46,317.04
  4. Step 4: Simplify right side
    84,042.80x = 5,372,006,850.80
  5. Step 5: Solve for x
    x = 5,372,006,850.80/84,042.80
  6. Step 6: Final answer
    x = 63,919.89

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1.5x scale

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.