Home / 86,406.48-119,240.37-48,166.38

Finding the Fourth Proportional to 86,406.48, 119,240.37 and 48,166.38

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Solution

The fourth proportional to 86,406.48, 119,240.37 and 48,166.38 is: 66,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,406.48 : 119,240.37 = 48,166.38 : x
  2. Step 2: Convert to fraction form
    86,406.48/119,240.37 = 48,166.38/x
  3. Step 3: Cross multiply
    86,406.48x = 119,240.37 × 48,166.38
  4. Step 4: Simplify right side
    86,406.48x = 5,743,376,972.76
  5. Step 5: Solve for x
    x = 5,743,376,972.76/86,406.48
  6. Step 6: Final answer
    x = 66,469.29

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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.