Home / 80,589.75-111,213.95-44,778.93

Finding the Fourth Proportional to 80,589.75, 111,213.95 and 44,778.93

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Solution

The fourth proportional to 80,589.75, 111,213.95 and 44,778.93 is: 61,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,589.75 : 111,213.95 = 44,778.93 : x
  2. Step 2: Convert to fraction form
    80,589.75/111,213.95 = 44,778.93/x
  3. Step 3: Cross multiply
    80,589.75x = 111,213.95 × 44,778.93
  4. Step 4: Simplify right side
    80,589.75x = 4,980,041,682.07
  5. Step 5: Solve for x
    x = 4,980,041,682.07/80,589.75
  6. Step 6: Final answer
    x = 61,794.98

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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.