Home / 82,318.64-123,453.45-34,932.96

Finding the Fourth Proportional to 82,318.64, 123,453.45 and 34,932.96

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Solution

The fourth proportional to 82,318.64, 123,453.45 and 34,932.96 is: 52,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,318.64 : 123,453.45 = 34,932.96 : x
  2. Step 2: Convert to fraction form
    82,318.64/123,453.45 = 34,932.96/x
  3. Step 3: Cross multiply
    82,318.64x = 123,453.45 × 34,932.96
  4. Step 4: Simplify right side
    82,318.64x = 4,312,594,430.71
  5. Step 5: Solve for x
    x = 4,312,594,430.71/82,318.64
  6. Step 6: Final answer
    x = 52,389.04

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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.