Home / 55,057.79-75,977.71-29,906.75

Finding the Fourth Proportional to 55,057.79, 75,977.71 and 29,906.75

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Solution

The fourth proportional to 55,057.79, 75,977.71 and 29,906.75 is: 41,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,057.79 : 75,977.71 = 29,906.75 : x
  2. Step 2: Convert to fraction form
    55,057.79/75,977.71 = 29,906.75/x
  3. Step 3: Cross multiply
    55,057.79x = 75,977.71 × 29,906.75
  4. Step 4: Simplify right side
    55,057.79x = 2,272,245,998.65
  5. Step 5: Solve for x
    x = 2,272,245,998.65/55,057.79
  6. Step 6: Final answer
    x = 41,270.20

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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.