Home / 98,226.96-135,554.16-55,786.32

Finding the Fourth Proportional to 98,226.96, 135,554.16 and 55,786.32

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Solution

The fourth proportional to 98,226.96, 135,554.16 and 55,786.32 is: 76,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,226.96 : 135,554.16 = 55,786.32 : x
  2. Step 2: Convert to fraction form
    98,226.96/135,554.16 = 55,786.32/x
  3. Step 3: Cross multiply
    98,226.96x = 135,554.16 × 55,786.32
  4. Step 4: Simplify right side
    98,226.96x = 7,562,067,747.09
  5. Step 5: Solve for x
    x = 7,562,067,747.09/98,226.96
  6. Step 6: Final answer
    x = 76,985.66

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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.