Home / 86,287.38-119,076.57-48,561.54

Finding the Fourth Proportional to 86,287.38, 119,076.57 and 48,561.54

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Solution

The fourth proportional to 86,287.38, 119,076.57 and 48,561.54 is: 67,014.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,287.38 : 119,076.57 = 48,561.54 : x
  2. Step 2: Convert to fraction form
    86,287.38/119,076.57 = 48,561.54/x
  3. Step 3: Cross multiply
    86,287.38x = 119,076.57 × 48,561.54
  4. Step 4: Simplify right side
    86,287.38x = 5,782,541,617.12
  5. Step 5: Solve for x
    x = 5,782,541,617.12/86,287.38
  6. Step 6: Final answer
    x = 67,014.92

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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.