Home / 49,006.40-73,315.20-42,504.80

Finding the Fourth Proportional to 49,006.40, 73,315.20 and 42,504.80

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Solution

The fourth proportional to 49,006.40, 73,315.20 and 42,504.80 is: 63,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,006.40 : 73,315.20 = 42,504.80 : x
  2. Step 2: Convert to fraction form
    49,006.40/73,315.20 = 42,504.80/x
  3. Step 3: Cross multiply
    49,006.40x = 73,315.20 × 42,504.80
  4. Step 4: Simplify right side
    49,006.40x = 3,116,247,912.96
  5. Step 5: Solve for x
    x = 3,116,247,912.96/49,006.40
  6. Step 6: Final answer
    x = 63,588.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.