Home / 71,118.73-106,446.57-52,391.35

Finding the Fourth Proportional to 71,118.73, 106,446.57 and 52,391.35

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Solution

The fourth proportional to 71,118.73, 106,446.57 and 52,391.35 is: 78,416.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,118.73 : 106,446.57 = 52,391.35 : x
  2. Step 2: Convert to fraction form
    71,118.73/106,446.57 = 52,391.35/x
  3. Step 3: Cross multiply
    71,118.73x = 106,446.57 × 52,391.35
  4. Step 4: Simplify right side
    71,118.73x = 5,576,879,505.17
  5. Step 5: Solve for x
    x = 5,576,879,505.17/71,118.73
  6. Step 6: Final answer
    x = 78,416.47

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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.