Home / 50,151.12-69,160.64-30,004.80

Finding the Fourth Proportional to 50,151.12, 69,160.64 and 30,004.80

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Solution

The fourth proportional to 50,151.12, 69,160.64 and 30,004.80 is: 41,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,151.12 : 69,160.64 = 30,004.80 : x
  2. Step 2: Convert to fraction form
    50,151.12/69,160.64 = 30,004.80/x
  3. Step 3: Cross multiply
    50,151.12x = 69,160.64 × 30,004.80
  4. Step 4: Simplify right side
    50,151.12x = 2,075,151,021.05
  5. Step 5: Solve for x
    x = 2,075,151,021.05/50,151.12
  6. Step 6: Final answer
    x = 41,377.96

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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.