Home / 56,745.68-78,286.28-35,225.36

Finding the Fourth Proportional to 56,745.68, 78,286.28 and 35,225.36

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Solution

The fourth proportional to 56,745.68, 78,286.28 and 35,225.36 is: 48,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,745.68 : 78,286.28 = 35,225.36 : x
  2. Step 2: Convert to fraction form
    56,745.68/78,286.28 = 35,225.36/x
  3. Step 3: Cross multiply
    56,745.68x = 78,286.28 × 35,225.36
  4. Step 4: Simplify right side
    56,745.68x = 2,757,662,396.06
  5. Step 5: Solve for x
    x = 2,757,662,396.06/56,745.68
  6. Step 6: Final answer
    x = 48,596.87

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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.