Home / 80,717.32-111,389.88-44,907.32

Finding the Fourth Proportional to 80,717.32, 111,389.88 and 44,907.32

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Solution

The fourth proportional to 80,717.32, 111,389.88 and 44,907.32 is: 61,972.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,717.32 : 111,389.88 = 44,907.32 : x
  2. Step 2: Convert to fraction form
    80,717.32/111,389.88 = 44,907.32/x
  3. Step 3: Cross multiply
    80,717.32x = 111,389.88 × 44,907.32
  4. Step 4: Simplify right side
    80,717.32x = 5,002,221,264.40
  5. Step 5: Solve for x
    x = 5,002,221,264.40/80,717.32
  6. Step 6: Final answer
    x = 61,972.09

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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.