Home / 92,015.12-126,965.32-51,723.52

Finding the Fourth Proportional to 92,015.12, 126,965.32 and 51,723.52

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Solution

The fourth proportional to 92,015.12, 126,965.32 and 51,723.52 is: 71,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,015.12 : 126,965.32 = 51,723.52 : x
  2. Step 2: Convert to fraction form
    92,015.12/126,965.32 = 51,723.52/x
  3. Step 3: Cross multiply
    92,015.12x = 126,965.32 × 51,723.52
  4. Step 4: Simplify right side
    92,015.12x = 6,567,093,268.33
  5. Step 5: Solve for x
    x = 6,567,093,268.33/92,015.12
  6. Step 6: Final answer
    x = 71,369.72

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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.