Home / 84,176.06-116,169.52-48,378.56

Finding the Fourth Proportional to 84,176.06, 116,169.52 and 48,378.56

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Solution

The fourth proportional to 84,176.06, 116,169.52 and 48,378.56 is: 66,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,176.06 : 116,169.52 = 48,378.56 : x
  2. Step 2: Convert to fraction form
    84,176.06/116,169.52 = 48,378.56/x
  3. Step 3: Cross multiply
    84,176.06x = 116,169.52 × 48,378.56
  4. Step 4: Simplify right side
    84,176.06x = 5,620,114,093.49
  5. Step 5: Solve for x
    x = 5,620,114,093.49/84,176.06
  6. Step 6: Final answer
    x = 66,766.18

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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.