Home / 80,637.45-111,286.41-44,830.79

Finding the Fourth Proportional to 80,637.45, 111,286.41 and 44,830.79

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Solution

The fourth proportional to 80,637.45, 111,286.41 and 44,830.79 is: 61,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,637.45 : 111,286.41 = 44,830.79 : x
  2. Step 2: Convert to fraction form
    80,637.45/111,286.41 = 44,830.79/x
  3. Step 3: Cross multiply
    80,637.45x = 111,286.41 × 44,830.79
  4. Step 4: Simplify right side
    80,637.45x = 4,989,057,954.78
  5. Step 5: Solve for x
    x = 4,989,057,954.78/80,637.45
  6. Step 6: Final answer
    x = 61,870.23

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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.