Home / 55,235.08-82,435.28-51,489.64

Finding the Fourth Proportional to 55,235.08, 82,435.28 and 51,489.64

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Solution

The fourth proportional to 55,235.08, 82,435.28 and 51,489.64 is: 76,845.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,235.08 : 82,435.28 = 51,489.64 : x
  2. Step 2: Convert to fraction form
    55,235.08/82,435.28 = 51,489.64/x
  3. Step 3: Cross multiply
    55,235.08x = 82,435.28 × 51,489.64
  4. Step 4: Simplify right side
    55,235.08x = 4,244,562,890.50
  5. Step 5: Solve for x
    x = 4,244,562,890.50/55,235.08
  6. Step 6: Final answer
    x = 76,845.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.