Home / 50,120.91-69,189.80-43,287.75

Finding the Fourth Proportional to 50,120.91, 69,189.80 and 43,287.75

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Solution

The fourth proportional to 50,120.91, 69,189.80 and 43,287.75 is: 59,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,120.91 : 69,189.80 = 43,287.75 : x
  2. Step 2: Convert to fraction form
    50,120.91/69,189.80 = 43,287.75/x
  3. Step 3: Cross multiply
    50,120.91x = 69,189.80 × 43,287.75
  4. Step 4: Simplify right side
    50,120.91x = 2,995,070,548.51
  5. Step 5: Solve for x
    x = 2,995,070,548.51/50,120.91
  6. Step 6: Final answer
    x = 59,756.91

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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.