Home / 82,664.10-114,123.24-63,246.42

Finding the Fourth Proportional to 82,664.10, 114,123.24 and 63,246.42

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Solution

The fourth proportional to 82,664.10, 114,123.24 and 63,246.42 is: 87,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,664.10 : 114,123.24 = 63,246.42 : x
  2. Step 2: Convert to fraction form
    82,664.10/114,123.24 = 63,246.42/x
  3. Step 3: Cross multiply
    82,664.10x = 114,123.24 × 63,246.42
  4. Step 4: Simplify right side
    82,664.10x = 7,217,886,368.80
  5. Step 5: Solve for x
    x = 7,217,886,368.80/82,664.10
  6. Step 6: Final answer
    x = 87,315.85

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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.