Home / 86,231.50-119,006.31-48,508.54

Finding the Fourth Proportional to 86,231.50, 119,006.31 and 48,508.54

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Solution

The fourth proportional to 86,231.50, 119,006.31 and 48,508.54 is: 66,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,231.50 : 119,006.31 = 48,508.54 : x
  2. Step 2: Convert to fraction form
    86,231.50/119,006.31 = 48,508.54/x
  3. Step 3: Cross multiply
    86,231.50x = 119,006.31 × 48,508.54
  4. Step 4: Simplify right side
    86,231.50x = 5,772,822,348.89
  5. Step 5: Solve for x
    x = 5,772,822,348.89/86,231.50
  6. Step 6: Final answer
    x = 66,945.63

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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.