Home / 80,123.37-110,571.92-44,315.81

Finding the Fourth Proportional to 80,123.37, 110,571.92 and 44,315.81

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Solution

The fourth proportional to 80,123.37, 110,571.92 and 44,315.81 is: 61,156.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,123.37 : 110,571.92 = 44,315.81 : x
  2. Step 2: Convert to fraction form
    80,123.37/110,571.92 = 44,315.81/x
  3. Step 3: Cross multiply
    80,123.37x = 110,571.92 × 44,315.81
  4. Step 4: Simplify right side
    80,123.37x = 4,900,083,423.62
  5. Step 5: Solve for x
    x = 4,900,083,423.62/80,123.37
  6. Step 6: Final answer
    x = 61,156.73

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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.