Home / 55,235.20-82,917.60-54,846.40

Finding the Fourth Proportional to 55,235.20, 82,917.60 and 54,846.40

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Solution

The fourth proportional to 55,235.20, 82,917.60 and 54,846.40 is: 82,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,235.20 : 82,917.60 = 54,846.40 : x
  2. Step 2: Convert to fraction form
    55,235.20/82,917.60 = 54,846.40/x
  3. Step 3: Cross multiply
    55,235.20x = 82,917.60 × 54,846.40
  4. Step 4: Simplify right side
    55,235.20x = 4,547,731,856.64
  5. Step 5: Solve for x
    x = 4,547,731,856.64/55,235.20
  6. Step 6: Final answer
    x = 82,333.94

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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.