Home / 50,150.70-69,189.66-30,008.16

Finding the Fourth Proportional to 50,150.70, 69,189.66 and 30,008.16

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Solution

The fourth proportional to 50,150.70, 69,189.66 and 30,008.16 is: 41,400.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,150.70 : 69,189.66 = 30,008.16 : x
  2. Step 2: Convert to fraction form
    50,150.70/69,189.66 = 30,008.16/x
  3. Step 3: Cross multiply
    50,150.70x = 69,189.66 × 30,008.16
  4. Step 4: Simplify right side
    50,150.70x = 2,076,254,387.63
  5. Step 5: Solve for x
    x = 2,076,254,387.63/50,150.70
  6. Step 6: Final answer
    x = 41,400.31

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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.