Home / 84,046.20-115,983.06-46,320.48

Finding the Fourth Proportional to 84,046.20, 115,983.06 and 46,320.48

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Solution

The fourth proportional to 84,046.20, 115,983.06 and 46,320.48 is: 63,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,046.20 : 115,983.06 = 46,320.48 : x
  2. Step 2: Convert to fraction form
    84,046.20/115,983.06 = 46,320.48/x
  3. Step 3: Cross multiply
    84,046.20x = 115,983.06 × 46,320.48
  4. Step 4: Simplify right side
    84,046.20x = 5,372,391,011.07
  5. Step 5: Solve for x
    x = 5,372,391,011.07/84,046.20
  6. Step 6: Final answer
    x = 63,921.88

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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.