Home / 55,439.14-76,479.32-36,310.38

Finding the Fourth Proportional to 55,439.14, 76,479.32 and 36,310.38

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Solution

The fourth proportional to 55,439.14, 76,479.32 and 36,310.38 is: 50,090.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,439.14 : 76,479.32 = 36,310.38 : x
  2. Step 2: Convert to fraction form
    55,439.14/76,479.32 = 36,310.38/x
  3. Step 3: Cross multiply
    55,439.14x = 76,479.32 × 36,310.38
  4. Step 4: Simplify right side
    55,439.14x = 2,776,993,171.34
  5. Step 5: Solve for x
    x = 2,776,993,171.34/55,439.14
  6. Step 6: Final answer
    x = 50,090.84

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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.