Home / 51,911.38-71,483.15-48,143.62

Finding the Fourth Proportional to 51,911.38, 71,483.15 and 48,143.62

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Solution

The fourth proportional to 51,911.38, 71,483.15 and 48,143.62 is: 66,294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,911.38 : 71,483.15 = 48,143.62 : x
  2. Step 2: Convert to fraction form
    51,911.38/71,483.15 = 48,143.62/x
  3. Step 3: Cross multiply
    51,911.38x = 71,483.15 × 48,143.62
  4. Step 4: Simplify right side
    51,911.38x = 3,441,457,819.72
  5. Step 5: Solve for x
    x = 3,441,457,819.72/51,911.38
  6. Step 6: Final answer
    x = 66,294.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.