Home / 86,456.13-119,309.24-48,215.73

Finding the Fourth Proportional to 86,456.13, 119,309.24 and 48,215.73

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Solution

The fourth proportional to 86,456.13, 119,309.24 and 48,215.73 is: 66,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,456.13 : 119,309.24 = 48,215.73 : x
  2. Step 2: Convert to fraction form
    86,456.13/119,309.24 = 48,215.73/x
  3. Step 3: Cross multiply
    86,456.13x = 119,309.24 × 48,215.73
  4. Step 4: Simplify right side
    86,456.13x = 5,752,581,861.27
  5. Step 5: Solve for x
    x = 5,752,581,861.27/86,456.13
  6. Step 6: Final answer
    x = 66,537.58

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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.