Home / 86,914.74-119,932.43-48,668.97

Finding the Fourth Proportional to 86,914.74, 119,932.43 and 48,668.97

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Solution

The fourth proportional to 86,914.74, 119,932.43 and 48,668.97 is: 67,157.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,914.74 : 119,932.43 = 48,668.97 : x
  2. Step 2: Convert to fraction form
    86,914.74/119,932.43 = 48,668.97/x
  3. Step 3: Cross multiply
    86,914.74x = 119,932.43 × 48,668.97
  4. Step 4: Simplify right side
    86,914.74x = 5,836,988,015.86
  5. Step 5: Solve for x
    x = 5,836,988,015.86/86,914.74
  6. Step 6: Final answer
    x = 67,157.63

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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.