Home / 58,315.88-80,455.32-38,183.85

Finding the Fourth Proportional to 58,315.88, 80,455.32 and 38,183.85

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Solution

The fourth proportional to 58,315.88, 80,455.32 and 38,183.85 is: 52,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,315.88 : 80,455.32 = 38,183.85 : x
  2. Step 2: Convert to fraction form
    58,315.88/80,455.32 = 38,183.85/x
  3. Step 3: Cross multiply
    58,315.88x = 80,455.32 × 38,183.85
  4. Step 4: Simplify right side
    58,315.88x = 3,072,093,870.58
  5. Step 5: Solve for x
    x = 3,072,093,870.58/58,315.88
  6. Step 6: Final answer
    x = 52,680.23

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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.