Home / 84,619.49-116,786.55-48,808.71

Finding the Fourth Proportional to 84,619.49, 116,786.55 and 48,808.71

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Solution

The fourth proportional to 84,619.49, 116,786.55 and 48,808.71 is: 67,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,619.49 : 116,786.55 = 48,808.71 : x
  2. Step 2: Convert to fraction form
    84,619.49/116,786.55 = 48,808.71/x
  3. Step 3: Cross multiply
    84,619.49x = 116,786.55 × 48,808.71
  4. Step 4: Simplify right side
    84,619.49x = 5,700,200,850.85
  5. Step 5: Solve for x
    x = 5,700,200,850.85/84,619.49
  6. Step 6: Final answer
    x = 67,362.75

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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.