Home / 106,080.57-146,387.12-58,331.07

Finding the Fourth Proportional to 106,080.57, 146,387.12 and 58,331.07

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Solution

The fourth proportional to 106,080.57, 146,387.12 and 58,331.07 is: 80,494.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,080.57 : 146,387.12 = 58,331.07 : x
  2. Step 2: Convert to fraction form
    106,080.57/146,387.12 = 58,331.07/x
  3. Step 3: Cross multiply
    106,080.57x = 146,387.12 × 58,331.07
  4. Step 4: Simplify right side
    106,080.57x = 8,538,917,052.16
  5. Step 5: Solve for x
    x = 8,538,917,052.16/106,080.57
  6. Step 6: Final answer
    x = 80,494.64

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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.