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Finding the Fourth Proportional to 71,337, 106,537.04 and 57,318.32

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Solution

The fourth proportional to 71,337, 106,537.04 and 57,318.32 is: 85,601.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,337 : 106,537.04 = 57,318.32 : x
  2. Step 2: Convert to fraction form
    71,337/106,537.04 = 57,318.32/x
  3. Step 3: Cross multiply
    71,337x = 106,537.04 × 57,318.32
  4. Step 4: Simplify right side
    71,337x = 6,106,524,150.57
  5. Step 5: Solve for x
    x = 6,106,524,150.57/71,337
  6. Step 6: Final answer
    x = 85,601.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.