Home / 49,189.90-73,858.65-28,153.69

Finding the Fourth Proportional to 49,189.90, 73,858.65 and 28,153.69

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Solution

The fourth proportional to 49,189.90, 73,858.65 and 28,153.69 is: 42,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,189.90 : 73,858.65 = 28,153.69 : x
  2. Step 2: Convert to fraction form
    49,189.90/73,858.65 = 28,153.69/x
  3. Step 3: Cross multiply
    49,189.90x = 73,858.65 × 28,153.69
  4. Step 4: Simplify right side
    49,189.90x = 2,079,393,535.92
  5. Step 5: Solve for x
    x = 2,079,393,535.92/49,189.90
  6. Step 6: Final answer
    x = 42,272.77

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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.