Home / 84,029.68-115,963.88-45,792.36

Finding the Fourth Proportional to 84,029.68, 115,963.88 and 45,792.36

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Solution

The fourth proportional to 84,029.68, 115,963.88 and 45,792.36 is: 63,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,029.68 : 115,963.88 = 45,792.36 : x
  2. Step 2: Convert to fraction form
    84,029.68/115,963.88 = 45,792.36/x
  3. Step 3: Cross multiply
    84,029.68x = 115,963.88 × 45,792.36
  4. Step 4: Simplify right side
    84,029.68x = 5,310,259,739.96
  5. Step 5: Solve for x
    x = 5,310,259,739.96/84,029.68
  6. Step 6: Final answer
    x = 63,195.05

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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.