Home / 98,992.22-136,596.20-55,977.57

Finding the Fourth Proportional to 98,992.22, 136,596.20 and 55,977.57

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Solution

The fourth proportional to 98,992.22, 136,596.20 and 55,977.57 is: 77,241.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,992.22 : 136,596.20 = 55,977.57 : x
  2. Step 2: Convert to fraction form
    98,992.22/136,596.20 = 55,977.57/x
  3. Step 3: Cross multiply
    98,992.22x = 136,596.20 × 55,977.57
  4. Step 4: Simplify right side
    98,992.22x = 7,646,323,067.35
  5. Step 5: Solve for x
    x = 7,646,323,067.35/98,992.22
  6. Step 6: Final answer
    x = 77,241.66

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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.