Home / 82,922.28-124,286.04-38,455.44

Finding the Fourth Proportional to 82,922.28, 124,286.04 and 38,455.44

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Solution

The fourth proportional to 82,922.28, 124,286.04 and 38,455.44 is: 57,638.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,922.28 : 124,286.04 = 38,455.44 : x
  2. Step 2: Convert to fraction form
    82,922.28/124,286.04 = 38,455.44/x
  3. Step 3: Cross multiply
    82,922.28x = 124,286.04 × 38,455.44
  4. Step 4: Simplify right side
    82,922.28x = 4,779,474,354.06
  5. Step 5: Solve for x
    x = 4,779,474,354.06/82,922.28
  6. Step 6: Final answer
    x = 57,638.00

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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.