Home / 80,687.16-111,348.78-44,880.60

Finding the Fourth Proportional to 80,687.16, 111,348.78 and 44,880.60

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Solution

The fourth proportional to 80,687.16, 111,348.78 and 44,880.60 is: 61,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,687.16 : 111,348.78 = 44,880.60 : x
  2. Step 2: Convert to fraction form
    80,687.16/111,348.78 = 44,880.60/x
  3. Step 3: Cross multiply
    80,687.16x = 111,348.78 × 44,880.60
  4. Step 4: Simplify right side
    80,687.16x = 4,997,400,055.67
  5. Step 5: Solve for x
    x = 4,997,400,055.67/80,687.16
  6. Step 6: Final answer
    x = 61,935.51

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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.