Home / 71,038.89-106,456.68-52,170.75

Finding the Fourth Proportional to 71,038.89, 106,456.68 and 52,170.75

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Solution

The fourth proportional to 71,038.89, 106,456.68 and 52,170.75 is: 78,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,038.89 : 106,456.68 = 52,170.75 : x
  2. Step 2: Convert to fraction form
    71,038.89/106,456.68 = 52,170.75/x
  3. Step 3: Cross multiply
    71,038.89x = 106,456.68 × 52,170.75
  4. Step 4: Simplify right side
    71,038.89x = 5,553,924,838.11
  5. Step 5: Solve for x
    x = 5,553,924,838.11/71,038.89
  6. Step 6: Final answer
    x = 78,181.47

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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.