Home / 49,113.20-73,669.80-12,177.20

Finding the Fourth Proportional to 49,113.20, 73,669.80 and 12,177.20

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Solution

The fourth proportional to 49,113.20, 73,669.80 and 12,177.20 is: 18,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,113.20 : 73,669.80 = 12,177.20 : x
  2. Step 2: Convert to fraction form
    49,113.20/73,669.80 = 12,177.20/x
  3. Step 3: Cross multiply
    49,113.20x = 73,669.80 × 12,177.20
  4. Step 4: Simplify right side
    49,113.20x = 897,091,888.56
  5. Step 5: Solve for x
    x = 897,091,888.56/49,113.20
  6. Step 6: Final answer
    x = 18,265.80

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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.