Home / 65,575.12-90,493.96-35,767.12

Finding the Fourth Proportional to 65,575.12, 90,493.96 and 35,767.12

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Solution

The fourth proportional to 65,575.12, 90,493.96 and 35,767.12 is: 49,358.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,575.12 : 90,493.96 = 35,767.12 : x
  2. Step 2: Convert to fraction form
    65,575.12/90,493.96 = 35,767.12/x
  3. Step 3: Cross multiply
    65,575.12x = 90,493.96 × 35,767.12
  4. Step 4: Simplify right side
    65,575.12x = 3,236,708,326.60
  5. Step 5: Solve for x
    x = 3,236,708,326.60/65,575.12
  6. Step 6: Final answer
    x = 49,358.79

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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.