Home / 56,907.82-85,378.20-23,621.68

Finding the Fourth Proportional to 56,907.82, 85,378.20 and 23,621.68

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Solution

The fourth proportional to 56,907.82, 85,378.20 and 23,621.68 is: 35,439.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,907.82 : 85,378.20 = 23,621.68 : x
  2. Step 2: Convert to fraction form
    56,907.82/85,378.20 = 23,621.68/x
  3. Step 3: Cross multiply
    56,907.82x = 85,378.20 × 23,621.68
  4. Step 4: Simplify right side
    56,907.82x = 2,016,776,519.38
  5. Step 5: Solve for x
    x = 2,016,776,519.38/56,907.82
  6. Step 6: Final answer
    x = 35,439.36

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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.