Home / 73,975.40-110,890.20-36,504.80

Finding the Fourth Proportional to 73,975.40, 110,890.20 and 36,504.80

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Solution

The fourth proportional to 73,975.40, 110,890.20 and 36,504.80 is: 54,721.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,975.40 : 110,890.20 = 36,504.80 : x
  2. Step 2: Convert to fraction form
    73,975.40/110,890.20 = 36,504.80/x
  3. Step 3: Cross multiply
    73,975.40x = 110,890.20 × 36,504.80
  4. Step 4: Simplify right side
    73,975.40x = 4,048,024,572.96
  5. Step 5: Solve for x
    x = 4,048,024,572.96/73,975.40
  6. Step 6: Final answer
    x = 54,721.23

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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.