Home / 56,920.12-85,406.94-35,855.32

Finding the Fourth Proportional to 56,920.12, 85,406.94 and 35,855.32

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Solution

The fourth proportional to 56,920.12, 85,406.94 and 35,855.32 is: 53,799.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,920.12 : 85,406.94 = 35,855.32 : x
  2. Step 2: Convert to fraction form
    56,920.12/85,406.94 = 35,855.32/x
  3. Step 3: Cross multiply
    56,920.12x = 85,406.94 × 35,855.32
  4. Step 4: Simplify right side
    56,920.12x = 3,062,293,163.92
  5. Step 5: Solve for x
    x = 3,062,293,163.92/56,920.12
  6. Step 6: Final answer
    x = 53,799.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.