Home / 82,827.20-114,222.40-55,664.64

Finding the Fourth Proportional to 82,827.20, 114,222.40 and 55,664.64

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Solution

The fourth proportional to 82,827.20, 114,222.40 and 55,664.64 is: 76,764.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,827.20 : 114,222.40 = 55,664.64 : x
  2. Step 2: Convert to fraction form
    82,827.20/114,222.40 = 55,664.64/x
  3. Step 3: Cross multiply
    82,827.20x = 114,222.40 × 55,664.64
  4. Step 4: Simplify right side
    82,827.20x = 6,358,148,775.94
  5. Step 5: Solve for x
    x = 6,358,148,775.94/82,827.20
  6. Step 6: Final answer
    x = 76,764.02

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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.