Home / 80,521.32-111,107.58-44,711.64

Finding the Fourth Proportional to 80,521.32, 111,107.58 and 44,711.64

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Solution

The fourth proportional to 80,521.32, 111,107.58 and 44,711.64 is: 61,695.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,521.32 : 111,107.58 = 44,711.64 : x
  2. Step 2: Convert to fraction form
    80,521.32/111,107.58 = 44,711.64/x
  3. Step 3: Cross multiply
    80,521.32x = 111,107.58 × 44,711.64
  4. Step 4: Simplify right side
    80,521.32x = 4,967,802,118.23
  5. Step 5: Solve for x
    x = 4,967,802,118.23/80,521.32
  6. Step 6: Final answer
    x = 61,695.49

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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.