Home / 50,693.08-69,939.12-30,542.36

Finding the Fourth Proportional to 50,693.08, 69,939.12 and 30,542.36

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Solution

The fourth proportional to 50,693.08, 69,939.12 and 30,542.36 is: 42,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,693.08 : 69,939.12 = 30,542.36 : x
  2. Step 2: Convert to fraction form
    50,693.08/69,939.12 = 30,542.36/x
  3. Step 3: Cross multiply
    50,693.08x = 69,939.12 × 30,542.36
  4. Step 4: Simplify right side
    50,693.08x = 2,136,105,781.12
  5. Step 5: Solve for x
    x = 2,136,105,781.12/50,693.08
  6. Step 6: Final answer
    x = 42,138.02

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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.